On a larger scale, stationary fuel cells are providing back-up power for hospitals, military bases, banks, and telecoms (especially to keep cell towers online).
Many believe the natural gas bonanza may be a transition fuel for the larger clean energy transformation.
This impressive plane flies slightly slower and lower, but sports a significantly larger cabin, carries more fuel and flies longer legs.
The Air Force, until strong-armed by a few legislators, rightly did not want as big a plane as the KC-30 for the simple reason that it is far better to have a larger number of smaller, more fuel-efficient aircraft capable of operating from many airfields.
Motor fuel also accounts for a larger share of Americans' spending, so falling prices will depress inflation by more.
But industry buzz is around the success of a turbocharged, six-cylinder Ford engine that uses a fifth less fuel than older, larger V8 engines of similar power.
Spent fuel rods pose a potentially larger threat given that there are far more of them in pools at Fukushima than there are inside of the reactors themselves.
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And the Morales decision follows a trend by oil and gas-rich Latin American nations seeking a larger share of the profits from fossil fuel extractions, and exerting greater control over the energy sector.
The proposal, which the FAA plans to unveil formally next week, will be part of a larger financing plan for the agency that includes fuel taxes and ticket taxes.
The composite materials are much lighter than traditional metal (though equally as sturdy), enabling planes to be a little larger and thus more spacious while still consuming the same amount of fuel.
Hybrids need to be equipped with larger battery packs, smaller and more fuel-efficient engines and a "two-mode system" that uses a pair of electric motors that propel the car at lower speeds.
Total Car Score compiled a list of 10 other vehicles that are going away in 2013, including the Hyundai Veracruz (replaced by a larger Santa Fe), the Mazda CX-7 (replaced by more fuel-efficient CX-5), and the Jeep Liberty (to be replaced next year by a Fiat-designed Jeep).
Auto companies and consumer goods firms have to spend larger percentages of their budgets on transportation and fuel than do banks or a technology services providers.
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But once the FAA in the early 1990s granted airline operators permission to use it on over-water routes, carriers including American, Northwest, US Airways and Continental found the 757 a fuel-effective way to serve cities in Western Europe that had previously been reached with larger, more costly wide-body planes that consume more fuel but have greater range.
Replacing steel with aluminium allows additional interior space to be offered, along with larger crumple zones at the front and rear for even better crash protection, all without paying a heavy penalty in fuel consumption.
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