Driving biofuels from field to fuel tank.
Rising oil prices, fears of global warming, and instability in oil-producing countries have ignited the rush to produce biofuels from plants. The science is progressing rapidly, driven by favorable policies and generous financing, but many hurdles remain before cars and trucks run on "gasohol" or "grassoline."
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D001674:Bioelectric Energy Sources / Q000191:economics* / Q000639:trends*; D018533:Biomass; D001938:Brazil; D000431:Ethanol; D017752:Greenhouse Effect; D018986:Motor Vehicles; D010578:Petroleum / Q000191:economics; D010944:Plants
D010578:Petroleum; D000431:Ethanol