Technology: Now infamous for the Deepwater Horizon spill, this U.K.-based oil and gas giant is a global leader in deepwater exploration and drilling technology. It has also invested heavily in advanced biofuels. Market: In addition to being one of the world's leading producers of conventional oil, BP is one of the largest distributors of biofuels. It blends over a billion gallons of ethanol ayear in the United States, a market that will only grow: the country's Renewable Fuel Standard calls for 36 billion gallons of renewable fuels to be used in 2022.
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