fossil_fuels Coal terrestrial swamps; oil & gas porous rocks -> hydrocarbon.
fossil_coal 300-400 MYA Carboniferous pd.
fossil_gas Biogenic=swamp/landfill gas shallow depths; Thermogenic deep. Biofuel from tofu waste by fermentation How Renewable Landfill Energy Works: Caterpillar infomercial
fossil_oil Offshore 1/3 U.S. oil, 13% of gas. Gasoline, diesel, kerosene.
fossil_sources Bitumen oily, viscous: Venezuela, Alberta. Keystone XL tar sands
Shale in Bakken N.Dakota not as deep: pyrolysis baked w hydrogen -> liquid petroleum, or burned like coal.
Methane hydrate twice as much as big 3, but also tsunami
Horizontal Shale Oil Drilling: fracking hype from Breitling Tar sands controversy: Keystone XL pipeline Tar sands pipeline spill risks (NRDC) Time: Shale gas
ccs sequestration -> liquified; secondary extraction???
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