BP oil spill
BP oil spill
Out of context: Reply #263
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"For transportation, the alternatives to petroleum appear especially far off. Onboard energy storage for electric vehicles is difficult; for a given mass, batteries hold less than 1 percent of the energy stored in gasoline. Carrying hydrogen on vehicles requires 10 times the storage volume of gasoline, and the high-pressure tank needed to hold it is very heavy. Although a few maiden flights of airplanes powered by jet fuel derived from biomass have taken place, it is unclear that biofuels can be produced at the quantities and low prices required by airliners ... or by ships for that matter."
http://www.scientificamerican.co…
*sigh
- Better efficiency standards could save more oil than we can ever hope to get offshore.joeth