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Secretary of the Navy Sets Target for 50% of Total Energy Consumption from Alternative Sources by 2020; Role for Biofuels and EVs

Green Car Congress

It will do that, Secretary Mabus said, by replacing the current fleet, as they go out of service, with a new composite fleet of flex fuel vehicles, hybrid electric vehicles, and neighborhood electric vehicles.

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MIT and IEA reports take different views of the future of natural gas in transportation

Green Car Congress

Because of the lower carbon/hydrogen ratio of methane (CH 4 ) relative to gasoline, CO 2 emissions from the combustion of natural gas are approximately 75% of those of gasoline for a given amount of energy production. emissions are reduced by around 25% relative to the use of gasoline for the same engine efficiency. Source: MIT.

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