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Canada opens probe into 250,000 GM pickups, SUVs over brake performance

Transport Canada, the auto safety regulator, has opened a probe into braking issues in nearly 250,000 General Motors full-size pickups and SUVs after U.S. officials launched a similar probe last year, the agency said on its website. The U.S. National Highway Traffic Safety Administration (NHTSA) in November into 2.73 million U.S. 2014-2016 model year SUVs and pickups after receiving 487 reports of hard brake pedal effort accompanied by extended stopping distance that were attributed to deterioration of the engine-driven brake assist vacuum pump. Transport Canada's probe covers 249,700 2015 through 2017 model year vehicles including the Cadillac Escalade, Chevrolet Suburban, Chevrolet Tahoe and GMC Yukon as well as 2014-2017 Chevrolet Silverado LD and GMC Sierra LD vehicles. The U.S. agency said it had reports of nine incidents of vehicles incurring damage as a result of colliding with another vehicle or fixed object at low speeds and reports of two injuries. NHTSA said if the pump fails to operate, the amount of brake power assist can be significantly reduced, extending vehicle stopping distance. The NHTSA sent GM an information request in a Feb. 7 letter. A GM spokesman said he had no update on the investigation. Reporting by David Shepardson; editing by Jonathan Oatis

Chevy ramps up development of Bolt EV

The Bolt is on the move, and Chevy confirmed Wednesday it is testing more than 50 prototypes as it prepares to launch the electric vehicle in 2017. We've already seen the photographic evidence in these spy shots, but Chevy released its own images and the above video as further proof that the EV remains on track toward production. Chevy revealed the Bolt as a concept in January at the Detroit Auto Show, promising a range of 200 miles on electricity with a price tag of about $30,000 after possible incentives. The prototypes are being hand-built and tested at the General Motors Proving Grounds in Milford, MI, and other global locations. "Effectively these are the bones of the car that's going to be the production Chevy Bolt," said Josh Tavel, the car's chief engineer. Chevy is testing the Bolt in all areas of vehicle competence, including ride and handling dynamics, cabin comfort, quietness, charging capability, and energy efficiency. More than 1,000 engineers are working on the program. "We really wanted to convey the notion that this is running fast. It's happening," said Pam Fletcher, GM's executive chief engineer of electrified vehicles. The Bolt will be built at GM's Orion Assembly plant north of Detroit and sold in all 50 states. It's part of the automaker's electric car blitz that includes the plugin hybrid Volt, the traditional (non-plugin) Malibu hybrid, and confirmation of plans to expand sales of the Spark EV to Canada and Maryland. Related Video:

L.A. Auto Show, Chevy Volt and the Lincoln Navigator | Autoblog Podcast #563

On the latest Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Green Editor John Snyder. First, they recap the biggest and best reveals of the 2018 Los Angeles Auto Show. Then they take a moment to say goodbye to the Chevy Volt, and to talk about their recent drives in the to-be-discontinued plug-in. Finally, they review the Lincoln Navigator, and marvel at the Black Label's stunning interior treatment.Autoblog Podcast #563 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown 2018 L.A. Auto Show recap 2020 Porsche 911 2020 Jeep Gladiator 2020 Lincoln Aviator 2019 Mazda3 Rivian R1T pickup and R1S SUV 2020 Hyundai Palisade 2019 Honda Passport Audi E-Tron GT Concept One last drive in the Chevrolet Volt Driving the Lincoln Navigator Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: