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St. Louis study shows B20 buses getting slightly lower mileage

The National Renewable Energy Laboratory (NREL) has just completed the first year of a study comparing St. Louis transit buses running on B20 biodiesel and ultra-low sulfur diesel (ULSD). Surprisingly the B20 buses actually had slightly lower average mileage than the ULSD fleet, 3.52 vs 3.58 mpg. The new study is the first to examine B20 use on buses equipped with exhaust gas recirculation systems. The EGR helps to reduce NOx emissions. Fifteen identical buses were examined in the study with eight of them using B20 and the rest using ULSD. One ... Read more →

Video: One year of low-sulfur diesel in the US Xavier Navarro

October 15th, 2006 is the date when the US started to sell low-sulfur diesel (ULSD) nationwide. According to the Diesel Technology Forum (DTF), the change happened seamlessly and no incidents have ...

What about the hydrogen that's used to make Ultra Low Sulfur Diesel and comes mostly from natural gas Sebastian Blanco

Well, Ultra Low Sulfur Diesel (ULSD) has been readily available all of three days, let's argue about it. Yesterday, the president and CEO of the American Chemistry Council, Jack Gerard, issued a ...

Top five ways to celebrate Ultra Low Sulfur Diesel release day Sebastian Blanco

This post was supposed to appear yesterday, but thanks to the 6.7 magnitude earthquake here in Hawai?i, I wasn't able to get online at all. Thankfully, it seems that the quake didn't cause much damage ...

U.S. House of Representative moves ahead with clean energy legislation Sebastian Blanco

With elections less than a month away, U.S. lawmakers are eager to show constituents some measure of success. Biofuels, especially ethanol, have proven popular recently, but there is a general push ...

Ultra-low Sulfur Diesel fuel coming to the market soon 3 years ago on Autoblog Green

One of the problems with using fossil fuels is the sulfur that gets sent out the tail pipe. Clean diesel is one way to power diesel engines without the sulfur. The technical definition, explained over at the Diesel Technology Forum, is Ultra Low Sulfur Diesel, which means the fuel contains only 15 ...

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Guide to Common Green Acronymns

CAFE – Corporate Average Fuel Economy. A system used in the U.S. to define mileage requirements of new vehicles.

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