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GM to replace battery modules in recalled Chevy Bolt EVs starting next month

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General Motors said Monday it will replace battery modules in recalled Chevrolet Bolt EV and Bolt EUV vehicles as soon as next month now that supplier LG Chem has restarted production of cells at two Michigan factories.

Replacement modules, which are made up of lithium-ion battery cells, will begin shipping to dealers as soon as mid-October, the company said. Chevy Bolt EV owners will be able to bring their vehicles to the dealership, where the old modules will be swapped out for new ones.

GM halted production of Chevy Bolt EV and EUVs in August due to a battery pack shortage related to the widespread safety recall of the two electric vehicles. The production downtime has been extended twice since then. Battery packs in EVs are comprised of modules.

The recall, which includes all Chevy Bolt EV and EUV models made since 2017, was issued after the automaker discovered two manufacturing defects in the battery cell — a torn anode tab and folded separator — that could increase the risk of fire. The fire risk prompted GM to recommend Bolt owners set the vehicle to a 90% state of charge limitation, avoid depleting the battery below 70 miles of range and charge the vehicle more frequently. GM still recommends owners park their Bolt EV and EUVs outside immediately after charging and to not leave vehicles charging indoors overnight.

LG has new manufacturing processes in place and has worked with GM to improve its quality assurance programs to provide confidence in its batteries moving forward. GM said the battery supplier will institute these new processes in other facilities that supply cells to the automaker.

Doug Parks, GM’s executive vice president of global product development, purchasing and supply chain, noted in a statement that resuming battery module production is a first step. However, GM’s Chevy Bolt EV problem is not entirely solved. The company must complete the replacement process for all recalled Bolts and assuage owners that the vehicles are safe to charge and park.

GM is counting on a new advanced diagnostic software package to help. The company said it will launch the software package, which will need to be installed by dealers, in the next 60 days. The diagnostic software is designed to detect specific abnormalities that might indicate a damaged battery in Bolt EVs and EUVs by monitoring the battery performance.

The software will alert customers of any anomalies, according to GM, which said customers will be able to return to a 100% state of charge once all diagnostic processes are complete.

GM, which aims to add 30 new EVs to its global lineup by 2030, also must secure the battery cells it needs to power these vehicles. LG is its primary and longtime partner in this endeavor. Parks said GM will “continue to work aggressively with LG to obtain additional battery supply.

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Source: https://techcrunch.com/2021/09/20/gm-to-replace-battery-modules-in-recalled-chevy-bolt-evs-starting-next-month/

Automotive

Slo-Mo Footage Of Running Engine With Clear Cylinder Is Mesmerizing

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Internal combustion as you’ve never seen it before.
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Source: https://www.motor1.com/news/542602/running-engine-clear-cylinder/

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Automotive

Slo-Mo Footage Of Running Engine With Clear Cylinder Is Mesmerizing

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on

Internal combustion as you’ve never seen it before.
PlatoAi. Web3 Reimagined. Data Intelligence Amplified.
Click here to access.

Source: https://www.motor1.com/news/542602/running-engine-clear-cylinder/

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Automotive

7 Secrets That Automakers Wish You Don’t Know

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Buying an automobile is one of the biggest and most expensive decisions of every adult. An automobile purchase can be potentially life-changing and crucial for our everyday life.

This is why while designing these majestic machines, car makers conceal a few things to protect their reputation.

In this article, we are busting open some truths that your car makers wish you did not know.

1.  Sales People are not Your Best Friend

Ever thought that your salesperson was looking out for you and your best interests?

You cannot be further away from the truth.

If your salesman suggests you an add-on or an extended warranty, look at it critically. The devil is in the details. Most add-ons only benefit the salesman since he acquires a commission for making that sale. Make sure to think thrice whether you require that add-on can prevent you from making an unwanted purchase.

If your salesperson says that the most expensive car in the lot is the one that goes the fastest, do not believe them. All of the vehicles that have been manufactured in the past five years can go at least 100 MPH. Considering this is way above the national speed limit, then it is more than enough.

If the cheapest car in the lot was manufactured in the past five years, then they are in good condition.

To avoid these kinds of experiences browse Google to find dealerships around you. Find ones that have the best ratings and comments. If you are someone in Florida, visit the Florida Toyota dealership and get yourself a sweet deal. Keep these tips in mind to make the deal sweeter for yourself.

2.  Commercials Do Not Feature the Car

Do you feel a sense of pride when you see your car in a commercial?

How would you feel if we told you that they do not use the car for filming that commercial?

Yes, the commercial was filmed with a Blackbird. Blackbird is a visual effects stand-in on top of which the vehicle is overlaid in post-production.

The car is not used in a commercial since the vehicle is not manufactured at filming. Carmakers keep the designs of a car a closely guarded secret. Thus shipping it to a remote location for filming is practically not viable.

The CGI effects do a clean job and make the car look desirable. After all, if a car commercial can look that good with just a Blackbird, then why bother filming with an actual vehicle.

3.  SUV Makers Take Advantage of Your Insecurity

Most of the time, an SUV commercial pops up; it keeps up the image of intimidation and power.

Ever wondered why?

Most SUVs are designed to be intimidating to smaller cars. And carmakers believe that people who buy these beasts are often insecure and timid. They think that people buy the intimidating exterior and do not care much about the functionality.

Once SUV sales skyrocketed, surpassing minivans, carmakers jumped on the trend. They further used consumer psychology and promoted ads that exude power and intimidation. Thus banking on consumers’ insecurity to make their business thrive.

4.  Cadavers are Used For Crash Testing

Crash tests are essential to building vehicles that are safe for daily use. This is how we designed cars that would not burst into flames at the slightest impact. And how we found out that seat belts can help make the journey safer for us.

Crash testing with dummies has been performed to test the magnitude of damage in the event of a crash. Crash test dummies are sophisticated machines and expensive as well. The most advanced crash test dummy can cost up to $400,000.

Cadavers, aka dead bodies, are also used in crash testing. These dead bodies are often let go from medical institutes. Often individuals volunteer their bodies for these tests.

5.  Technology Does Not Assure Protection

Cars have evolved a lot in the past decade.

We have several features like keyless ignition, Bluetooth options, a rear-facing camera, parking assistance, and whatnot.

The more technology-savvy your car is, the less protected you are from hackers. Everything about your car can be hacked these days. The automatic doors and keyless ignitions work on cellular signals, hacked and operated from remote locations.

If a tech-savvy and morally challenged individual decides to hack your car, these features welcome them with open arms. You might as well cheer from the sidelines. This is why your vehicles need to be equipped with cyber security to prevent hacks.

6.  The New Car Smell is Toxic For You

That new car smell we enjoy can cause congenital disabilities, liver problems, impaired learning, and even cancer. Prolonged exposure to this smell can be potentially harmful to you.

Researchers have identified 275 different chemicals in vehicle interiors, including brominated Flame Retardants (BFR), chromium, and lead.

The new car smell is often a combination of benzene and toluene. Did you know that these chemicals are used for embalming human corpses before burial?

The next time you enjoy the new car smell, try to remember where the gases are used. We have a feeling that you probably would not like it afterward.

7.  Electric Cars are Not as Green as They Seem

Electric cars are less polluting than they claim. They transfer the blame for pollution to a different source.

Electric cars require a lot more energy to build when compared to traditional ones, thus having a higher carbon footprint. This is because electric cars require more lightweight metals than conventional ones. These lightweight metals are produced by utilizing a lot more energy. Thus contributing to the overall carbon footprint.

Even though electric vehicles do not run on petrol, they still require energy. The electricity used by cars is produced from fossil fuels. The process of making electricity from fossil fuels emits greenhouse gases and pollutes the environment. Fossil fuels need to be burned emitting huge amounts of carbon dioxide to convert it into electricity.

Your electric car might not directly emit greenhouse gases, but it does indirectly affect the environment.

Do you still think electric cars are environmentally safe? We rest our case.

Conclusion

The automotive industry hides many things from the public eye to maintain its reputation and profits. Like every other industry, the car industry has ethically ambiguous sides as well.

Keeping your eyes and ears open and critically thinking before purchasing can prevent you from getting scammed. Automobiles are a necessity in modern days. Therefore do not get influenced by others while making a purchase.

Drive safe, guys!

Source: Plato Data Intelligence

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Automotive

Optimizing Cybersecurity in Your Autonomous Vehicle Designs

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In 2021 the automotive industry is about halfway through the six levels of Advanced Driving Assistance Systems (ADAS) towards full autonomy. Drivers of today’s models can choose to use some hands-off and some eyes-off driving features. Popular examples include: 

  • Waymo™ (Google) 
  • Super Cruise™ (GM) 
  • AutoPilot (Tesla) 
  • ProPILOT Assist® (Nissan) 
  • DISTRONIC PLUS® (Mercedes-Benz) 
  • Traffic Jam Assist (Audi) 
  • Pilot Assist (Volvo) 

Figure 1: Five levels for AV automation. 

Along with the convenience that increasing automation brings, comes the challenge of keeping cars safe from cybersecurity attacks. Every week we read news reports about businesses getting hacked and suffering data breaches through their networks of computers. Calling our modern cars, a “data center on wheels” means that they are also subject to computer security concerns. 

The Next Generation of Connected Vehicles 

Just consider how many ways our cars are now connected: Our smartphones use Bluetooth® to take a phone call using the car speaker system, cellular connections for roadside assistance, Wi-Fi® for Over the Air (OTA) updates, using a fob to control door locks, USB connectors or even plugging an EV into a commercial charger. Each of these connections increases the attack surface for intruders to exploit. 

Automotive designers must be proactive in their new designs to consider ways to mitigate security attacks for each of these connections. Inside of each vehicle are dozens of Electronic Control Units (ECUs), that operate in various zones to collect sensor data and make decisions. Adding cybersecurity to the Functional Safety of each ECU needs to be a design goal. Using a systems-level approach to providing both safety and cybersecurity in vehicles is the best strategy. If a hacker can exploit a security flaw, then the driver’s safety is put in jeopardy and that is a very dangerous outcome that we must avoid. 

Automotive Security Market Drivers 

A luxury car today can contain up to 100 million lines of code within all ECUs and CPUs in use. This means vehicles are quite dependent on software to sense, control, and make decisions. Most automotive cyber-attacks are targeted at wireless interfaces, such as Bluetooth, Wi-Fi, and cellular. With OTA updates it is important that the updates are securely validated, before allowing them to be installed. 

The ubiquitous Controller Area Network (CAN bus) has been used within vehicles for years now to enable communication between ECU’s, however, security was never part of the Classic CAN definition. The advent of CAN FD (Flexible Data-rate) with additional payload bytes available allows for the addition of CAN MAC (Message Authentication Codes).  Newer trends see Ethernet connectivity in the automotive space, and hardware vendors know how to secure that network. Making a hardware system secure typically starts with a secure boot followed by message authentication which are both dependent on truly secure key storage.  

An ideal automotive security solution would not require a complete redesign of all electronics but rather would use an approach of layering in new security features. 

Automotive Designers Must Defend More Attack Surfaces 

Cars may be considered the most sophisticated Internet of Things (IoT) devices that consumers use each week. With our smartphones and computers, we know how often apps and operating systems are updated to fix security vulnerabilities. Our connected cars have a similar attack surface to smartphones and computers, so each attack surface must be defended on an ongoing basis. 

Automotive OEMs can follow best practices to provide cybersecurity by ensuring that only authorized software is loaded and run—a secure boot operation. As the dozens of ECUs communicate with electronic messaging, only the authorized ECUs are allowed, and messages are authenticated using the AES block cipher-based message authentication code (CMAC) algorithm. Firmware update signatures are cryptographically verified before they are allowed to change any content. Even the traffic within each electronic network should be inspected on each port to ensure that only valid packets are allowed. 

An Approach to Secure the Entire Car: From Boot to Connected System 

Microchip is active in the area of cybersecurity for automotive applications and secure boot, which only allows authenticated content to run. This is provided by the CryptoAutomotive™ security IC, the TrustAnchor100 (TA100). Designers won’t have to redesign their entire systems, because this external Hardware Security Module (HSM) provides multiple security features: 

• Secure boot 

• Authentication of CAN messages 

• Electric Vehicle (EV) battery management system and module authentication  

• Message encryption with Transport Layer Security (TLS) 

• Support for Wireless Power Consortium Qi® 1.3 authentication 

• Cryptographic verification of the source of the module manufacturer 

Figure 2: TA100 14-pin SOIC socket board.

This Microchip approach will save both cost and design time in comparison to redesigning a new MCU to add security features. MCU code changes will have little effect on the host MCU functional safety ratings. The TA100 comes already programmed with security features, giving you a quick learning curve without needing a security expert. Project risk is lowered because the MCU code changes are so minor.   

Innovations like this make cybersecurity easier in automotive design, helping to safely accelerate the drive to autonomous vehicles. 

Technology

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Source: https://www.iotforall.com/solution/optimizing-cybersecurity-in-your-autonomous-vehicle-designs

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