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Bentley’s new 616hp 12-cylinder GT Speed convertible with 8-speed and energy recuperation improves fuel economy by 15%

Green Car Congress

Bentley will introduce the new Continental GT Speed Convertible at the North American International Auto Show in Detroit this month. The new GT Speed Convertible shares its powertrain specification with its Bentley stablemate, the GT Speed coupé: a 616 bhp (459 kW) twin-turbocharged 6.0 The Continental GT Speed Convertible.

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EPA, DOT Propose New Fuel Economy Labels; Addressing GHG Emissions, Fuel Consumption and Advanced Technology Vehicles

Green Car Congress

Source: EPA. The US Department of Transportation (DOT) and the US Environmental Protection Agency (EPA) are jointly proposing changes to the fuel economy labels consumers see on the window of new vehicles in dealer showrooms. EPA and DOT are proposing two new label designs for comment. Click to enlarge.

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455 hp 2014 Corvette Stingray to deliver EPA-estimated 29 mpg highway

Green Car Congress

The 2014 Corvette Stingray will deliver up to an EPA-estimated 17 mpg US (13.8 The estimate reflects an average of fuel economy in both the default “Tour” mode, which delivers 28 mpg highway, and driver-selectable “Eco” mode, which delivers 30 mpg highway. l/100 km) in the city, and 29 mpg (8.1 Earlier post.).

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EPA and CARB approve emissions modification for Gen 3 VW 2.0 liter diesel vehicles

Green Car Congress

The US Environmental Protection Agency (EPA) and California Air Resources Board (CARB) approved a remedy proposed by Volkswagen that will reduce the excess NO x emissions from the Generation 3 (MY 2015) diesel 2.0 EPA and CARB confirmed those conclusions through independent testing and analysis at their own laboratories.

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Chevy Colorado diesel pickup EPA-rated at up to 31 mpg highway

Green Car Congress

l/100 km) highway fuel economy. The EPA-estimated highway fuel economy for 2016 Colorado four-wheel drive diesel is 29 mpg. The EPA has issued a Certificate of Conformity for the Chevrolet Colorado Duramax diesel. The 2016 Colorado diesel 2WD offers an EPA estimated 22 mpg city (10.68 Duramax for the Canyon.

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LPG system provider Icom earns 17 new EPA certifications For GM vehicles

Green Car Congress

Icom North America, a developer and manufacturer of liquid-injection propane (autogas) systems for commercial and consumer vehicles, has received 17 new US Environmental Protection Agency (EPA) certifications for its patented JTG II Propane Liquid Injection bi-fuel systems. Icom’s total number of EPA certifications now stands at 40.

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2015 Corvette Stingray to offer new eight-speed automatic; 5% improvement in fuel economy

Green Car Congress

EPA fuel economy test results are pending and will be announced later. The available 8L90 transmission is based on the same eight-speed automatic that will be offered on the supercharged 2015 Corvette Z06, but with unique clutch and torque converter specifications matched to the torque capacity of the Stingray’s LT1 6.2L