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Cummins Westport begins development on new mid-range natural gas engine; production by 2015

Green Car Congress

has begun development on the ISB 6.7G, a mid-range 6.7-liter diesel engine and will use Cummins Westport’s proven spark-ignited, stoichiometric cooled exhaust gas recirculation (SEGR) technology. Exhaust aftertreatment will be provided by a simple, maintenance-free three-way catalyst (TWC). Cummins Westport Inc. The ISB6.7

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EPA report shows progress in reducing urban air toxics across US; 50% reduction from mobile sources since 1990

Green Car Congress

The US Environmental Protection Agency (EPA) released the Second Integrated Urban Air Toxics Report to Congress—the final of two reports required under the Clean Air Act (CAA) to inform Congress of progress in reducing public health risks from urban air toxics (also referred to as hazardous air pollutants or HAPs).

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Volkswagen continues to optimize its EA888 workhorse engine; fourth evolution in 2022 Golf GTI and R

Green Car Congress

The 2022 Golf GTI makes 241 horsepower and delivers an EPA-estimated 34 mpg on the highway. The 2022 Golf R adds all-wheel drive, delivers 315 horsepower, and achieves an EPA-estimated 30 mpg on the highway with the optional DSG dual-clutch automatic. This results in rapid torque delivery across a very wide rpm range.

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Cummins Begins Production of First EPA Tier 4 Interim Engines; Up to 5% Improved Fuel Efficiency

Green Car Congress

EPA Tier 4 Interim and EU Stage IIIB emissions standards and effect dates vary by power category. has begun production and supply of the first EPA Tier 4 Interim and EU Stage IIIB certified engines and aftertreatment for early installation by off-highway equipment customers. Source: Cummins. Click to enlarge. Cummins Inc.

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Chevrolet Cruze Eco achieves EPA-rated 42 mpg on highway

Green Car Congress

The non-hybrid 2011 Chevrolet Cruze Eco delivers an EPA-estimated 42 mpg on the highway (manual transmission models), with city fuel economy of 28 mpg. Aerodynamic improvements over non-Eco manual-transmission models contributed approximately six mpg to the Cruze’s EPA-estimated 42 mpg highway fuel economy. Aerodynamics. The Ecotec 1.4L

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Mercedes-Benz 2014 E250 BlueTEC sedan estimated EPA rated at 45 mpg highway, 28 mpg city

Green Car Congress

The Mercedes-Benz 2014 E250 BlueTEC sedan, the first diesel E-Class to be available with 4MATIC, achieves an estimated EPA rating of 45 mpg US (5.2 No other diesel sedan offers a better EPA fuel economy highway estimate, Mercedes-Benz notes. l/100 km) on the highway and 28 mpg (8.4 l/100 km) in the city. l/100 km) in the city.

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EPA selects AVL for automotive emissions testing initiative

Green Car Congress

The US Environmental Protection Agency (EPA) has awarded AVL a contract for automotive emissions testing to take place at the National Vehicle and Fuel Emissions Laboratory (NVFEL) in Ann Arbor, Michigan.

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