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EPA Proposes to Streamline Approval Process for Fuel Conversion Systems

Green Car Congress

Conversion systems allow vehicles to run on alternative fuels; most conversions involve switching gasoline or diesel vehicles to operate instead on a gaseous fuel such as natural gas or propane; an alcohol fuel; or electricity. EPA expects the streamlined approach to result in a cost savings for many converters.

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Mercedes-AMG HPP awarded Dewar Trophy for PU106A Hybrid F1 Power Unit

Green Car Congress

The successful design, research and teamwork resulted in the Mercedes-Benz PU106A Hybrid Power Unit, which has not only been the dominant powertrain in this first season under the new Formula One rules, but is also arguably among the most thermally efficient gasoline powertrains ever produced, with a claimed thermal efficiency of greater than 40%.

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BMW Outlines Intelligent Heat Management Applications for Reducing Fuel Consumption and CO2; New Thermoelectric Generator Unit Integrated with EGR

Green Car Congress

Even a highly efficient combustion engine converts only about one-third of the energy in the fuel into traction actually propelling the car. The remaining two-thirds are lost as waste heat going into the environment through the car’s exhaust emissions and through the radiator.

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Renault 2010 Environment Workshop, Part 1: Combustion Engine Technology and Product Plans

Green Car Congress

In terms of powertrain technologies, Renault focused on the introduction of new technologies for internal combustion engines and conventional transmissions, as well as outlining its commitment to electric powertrains. New TCe gasoline engine family. Renault introduced the 1,149cc TCe 100 for Twingo, Clio and Modus in 2007.

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Study Finds Controlling Soot May Be Fastest Method to Reduce Arctic Ice Loss and Global Warming; Second-Leading Cause of Global Warming After CO2

Green Car Congress

Soot—black and brown particles that absorb solar radiation—comes from two types of sources: fossil fuels such as diesel, coal, gasoline, jet fuel; and solid biofuels such as wood, manure, dung, and other solid biomass used for home heating and cooking around the world. Particle traps filter out soot particles from exhaust fumes.

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New diesel Volkswagen Golf GTD heading for the US; first driving impressions

Green Car Congress

As a comparison, in 2007, the first-generation Golf BlueMotion (Volkswagen’s most fuel-efficient version) was regarded as having sensational gas mileage at 52 mpg—4 mpg worse than the new GTD, which has 79 more horsepower and is 25 mph faster. l/100 km)—also a marked improvement over the A6 GTD’s 43 mpg. Variable valve timing.

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Background on the 2.0L diesel engines at the core of the Volkswagen emissions testing debacle

Green Car Congress

Volkswagen engineers redesigned a large number of the base engine components to improve acoustics, fuel consumption, and exhaust gas emissions. Because diesels operate at higher temperatures than gasoline engines, NO x formation has always been an issue for diesels. Volkswagen planned to use both. Earlier post.)

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