Weaning cars and trucks off of gasoline and diesel made from fossil fuels is a difficult task. One promising solution involves biodiesel, which comes from natural oils and fats, but it is costly. Using a microwave and catalyst-coated beads, scientists have devised a new way to convert waste cooking oil into biodiesel that could make it more affordable. They report how they did it in ACS’ journal Energy & Fuels.
Biodiesel has many advantages over traditional fuels. It is renewable, biodegradable and emits less CO2. It can also easily take the place of conventional diesel without the need for carmakers to modify engines...
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