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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 →

U.S. is 34th in Ultra Low Sulfur Diesel Standards, EU countries are tops Sebastian Blanco

The discussion of a global (or at least national) standardized biodiesel is one thing that OEMs are waiting for to further embrace the biofuel. But even long-standing diesel fuel is different ...

Hey look, a warning sticker for low sulfur diesel Sebastian Blanco

I was filling up yesterday and noticed a sticker on the diesel pump warning about the damage the low sulfur fuel might do to new engines that I wanted to know a bit more about. If you're a regular ...

Ford clean diesel 6.4-liter Power Stroke "doesn't compromise" Sebastian Blanco

Today's press release from Ford about the company's "New 6.4-liter Power Stroke® diesel" engine is not the first time we're hearing about the "Cleanest, Quietest Power Stroke Engine Ever." But, ...

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 ...

Sometimes the Good Guys - US - Win 2 years ago on Autoblog Green

Back in 1999 and 2000, the EPA issued the requirement that all US diesel fuel sulfur content be reduced 97 percent from 500 part per million (ppm) to only 15 ppm by 2007. The purpose was to a) reduce emissions in all existing diesels moderately with no harm to them and b) to allow the installation ...

National VegOil Board gets a test of straight veggie oil emissions, puts out video blog 2 years ago on Autoblog Green

The National VegOil Board (NVOB) has got some new updates for people in the VegOil (or WVO, or SVO, of whatever you want to call it) community. First, NVOB has got the results of a new emissions test conducted at an EPA-certified lab. Comparing Ultra Low Sulfur Diesel (ULSD) with pure canola oil ...

Germans to fight the Japanese on the beaches for diesel sales 2 years ago on Autoblog Green

With the advent of Ultra Low Sulphur Diesel and other emissions and particular matter reducing technologies, diesel is back in a big way in markets like the U.S. and down here in Australia. Of course the clear advantage diesel has over petrol in fuel economy is old news to the Europeans where ...

Diesel Technology Forum white paper on retrofitting diesel engines 2 years ago on Autoblog Green

Diesel Technology Forum has released a new PDF white paper designed to give diesel users a comprehensive overview of how diesel technology and regulations are changing to reduce diesel emissions. Covered are the new diesel emissions standards and the introduction of Ultra Low Sulphur Diesel (ULSD), ...

Is your diesel tank really getting ULSD fuel? 2 years ago on Autoblog Green

When it leaves the refinery, ultra low sulfur diesel (ULSD) should be under the required 15 parts per million limit. But on the way to the pump it could pick up a few more parts. Apparently the tankers hauling ULSD also transport jet fuel and off-road diesel. By one estimate, every change of hands ...

Pittsburgh schools investing in cleaner diesel, fewer fumes 3 years ago on Autoblog Green

New Ultra Low Sulfur Diesel (ULSD) fuel, which is now widely available in America, may costs more to produce and purchase, but school districts near Pittsburgh are willing to spend money to get the benefits of the cleaner fuel. In this story from the Pittsburgh Tribune-Review, for example, the ...

What about the hydrogen that's used to make Ultra Low Sulfur Diesel and comes mostly from natural gas 3 years ago on Autoblog Green

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 statement saying that U.S. lawmakers need to change the policy regarding access to domestic natural gas ...

Top five ways to celebrate Ultra Low Sulfur Diesel release day 3 years ago on Autoblog Green

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 and no fatalities, and being without power or Internet for a day isn't really a hardship, now, is ...

EPA official, Cummins mark introduction of ultra-low sulfur diesel fuel 3 years ago on Autoblog Green

By now most diesel fuel already in the pipeline is meeting the new federal standards for sulfur. But the official nationwide switch to ultra-low sulfur diesel (ULSD) fuel is Oct. 15. To mark the occasion, Cummins hosted EPA administrator Stephen Johnson to the company's test facilitiy. ULSD is ...

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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