That means shipowners who wish to ply these waters will have to stop using bunker fuel (the cheap stuff left over once petrol, diesel and aviation fuel have been distilled from crude oil) to power their vessels because burning it produces too much sulphur dioxide, nitrogen oxides and soot.
Quad bikes came second, followed by fuel such as diesel and heating oil.
It gets 48 miles per gallon and can switch at any time between using veggie oil or diesel for fuel.
Right now, biodiesel is a growing industry but hasn't made an appreciable dent on the global dependence on heavy crude oil, from which diesel fuel is processed.
The most likely cause of a future increase in world oil prices, and thus diesel fuel prices, is stronger growth of the global economy.
Neither of these products can be directly distilled into gasoline or fuel oil (kerosen, jet, and diesel) or indeed any other conventional petroleum product.
This sudden surge in exports of oil distillates, the primary source for motor diesel fuel consumed in the U.S., occurred at the same time diesel prices hit record highs.
They will soon bioengineer bacteria to melt oil out of tar sands, turn grass into diesel fuel and scavenge natural resources of every kind out of low-grade, thinly dispersed deposits.
The man who invented the diesel engine more than a century ago knew vegetable oil would be a good fuel source.
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The prices of refined products like diesel, gasoline and jet fuel, might increase much more sharply than crude-oil futures because of the refining belt that runs along the Gulf.
Most recycled cooking oil today is used to power diesel trucks or mixed with home heating fuel, a simpler conversion process.
Yet, our transportation sector remains reliant upon oil - sixty percent of it imported - for the gasoline and diesel fuel on which it runs almost exclusively.
Before the explosion, the rig carried 2.6m litres of diesel fuel and was pumping 8, 000 barrels (1.27m litres) of crude oil a day - a volume which may still be leaking from the well into the Gulf of Mexico.
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Houston-based Kinder Morgan operates and owns approximately 24, 000 miles of natural gas pipelines, 8, 000 miles of pipelines that transport refined petroleum products such as gasoline, diesel and jet fuel, and more than 2, 000 miles of pipeline that transports crude oil.
Ken Cohen, vice president of public and private affairs, explained that not only do they not control oil prices, but also that profit from the sale of gasoline and diesel fuel represents less than 3 cents out of every dollar the company earned.
The National Biodiesel Board says that less than 1 percent of the 60 billion gallons of diesel fuel used each year comes from biodiesel, most of it produced from soybeans, animal fats and recycled oil.
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