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Weekly Recap: Auto execs face life in prison for recall delays under proposed legislation

The stiff punishments are part of broader transportation legislation, but clearly McCaskill has automakers in her sights.
Missouri Senator Claire McCaskill threw down the gauntlet this week, proposing a bill that could send auto executives to prison for life if they were found to have delayed a recall. She also wants to eliminate the limit for fines for auto safety violations, which are currently capped at $35 million.

Bentley releases new details on Continental GT3 racer

Porsche's new LMP1 Prototype isn't the only motorsports news coming out of Volkswagen AG this week. After unveiling its new Continental GT3 at the Paris Motor Show last year, Bentley has released some new images and details as this racecar continues its development. Similar to the Porsche announcement, Bentley's new GT3 marks a significant return to motorsports, only in this case, Bentley hasn't raced a car since 2003 - a winning effort at the 24 Hours of Le Mans.
From street to race form, the Continental has dropped about 2,200 pounds by shedding many of the luxury and tech features that make the street-legal Continental GT the car that it is - including 50(!) electronic control units. The Continental GT3 uses the same 4.0-liter, twin-turbo V8 as the road car, but we're guessing output has been tweaked a bit from the standard 500 horsepower. Except for the carbon fiber hood, decklid and doors, Bentley says that the body of the GT3 is a direct carryover from the Continental GT.
Inside, even a stripped interior and full roll cage won't stop Bentley from being Bentley as it gives this racecar the same attention to detail as its road cars - the seats, steering wheel and door pulls all receiving the hand-crafted treatment from the factory in Crewe. There is no word as to when the Continental GT3 will make its racing debut, but more details about the car can be found below in the official press release.

Bentley builds its final 6.75-liter V8, ending a 61-year production run

Bentley has just finished its very last 6.75-liter V8. While engines come and go, this is significant because Bentley has been building this engine, known as the L-series, for 61 years. This final engine will go in the 30th and last Bentley Mulsanne, a 6.75 Edition by Mulliner, marking the end of the flagship sedan. The L-series engine was first introduced in 1959, and according to Bentley, it was developed in order to develop more power than its existing inline-six without adding weight or taking up more space. The engine in fact weighed 30 pounds less than the six-cylinder, and it made about 180 horsepower. That original engine "only" had 6.2-liters of displacement, and it wasn't until 1971 that it would reach 6.75 liters thanks to increased stroke. This final version of the engine is significantly different from its fuel injection to its twin-turbochargers, but is based on the same design. And with 530 horsepower and 811 pound-feet of torque, it's the most powerful iteration of the engine. At 61 years, the Bentley engine is arguably the V8 with the longest production run. While the first-generation Chevy small block V8 was introduced earlier for the 1955 model year and is still built in crate engine form, GM stopped using it in production cars in 2002. Far fewer Bentley engines were built, though, with a total over 36,000, as opposed to the millions of Chevy small blocks in the world. Of course, volume is sort of the antithesis of what makes a Bentley a Bentley. With the 6.75-liter engine out of production, all of Bentley's engines are derived from VW Group engines, from its W12 to the plug-in hybrid V6. Related Video: