Biodiesel, a cleaner renewable alternative to fossil diesel, can be made from any vegetable oil, but best using waste cooking oil. It’s use is growing across the US in 5 to 20 percent blends.
Many millions are being invested in seaweed research from Vietnam to Israel to Chile because producing biofuels in the sea overcomes many of the serious problems with conventional biofuels.
Solazyme is a renewable oil and bioproducts company that transforms algae into high-value oils, and hopes one day to produce enough to rival gasoline and diesel. Their road to the market has been circuitous but instructive as a workable business model for renewable energy.
Can scientists engineer a biofuel that will replace the environmental and climate destroying and evermore expensive fossil fuels central to the functioning of our urbanized civilization? The answer is no and yes.