- $1 billion Empire State Building IPO: why it won't be like Facebook IPO
- In surprise move, GOP leaders admit defeat in payroll tax battle
- More than 30,000 Germans turn out against anti-piracy treaty ACTA
- Does Obama blueprint reduce budget deficit fast enough? (+video)
- Pentagon budget: Does it pit active-duty forces against retirees? (+video)
The 2012 Mitsubishi i, in showrooms next month, has been named the most fuel-efficient vehicle in America by the Environmental Protection Agency, which had to come up with a new way to measure efficiency for electric cars. The Mitsubishi i gets 126 MPGe (miles per gallon equivalent). (PRNewsFoto)
8:00 am ET -Electric and dual-fuel cars need a new calculation: MPGe. But the EPA's new measurement doesn't tell the whole story.
Top Energy (View all)
- Tidal turbines: New sparks of hope for green energy from beneath the waves
- The great electric car race of 2010
- No more power lines?
- Wind energy industry looks to Copenhagen for a mandate
- The hidden costs of fossil fuels - and biofuels, too
- Leasing the sun
- Solar-hydrogen house in Florida combines new, old
- Developing world's energy needs set stage for fight
- A major price drop for solar panels
- Earth Talk: Compare costs of alternative energy
More Energy
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Earth Talk: Sizing up oil shale as a possible resource
Energy source or more trouble for the environment?
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Sunrise for solar heat power
Four technologies aim to use heat from the sun to make electricity. But which one has the edge?
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From nets to kilowatts
Recycling program turns an environmental hazard into electricity.
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How Baoding, China, becomes world’s first ‘carbon positive’ city
The mayor goes on a crusade to make it a hub of renewable energy.
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China's green leap forward
Facing dire pollution and wanting to be in on what may be the next industrial revolution, China positions itself to be a leader in green technology – with major implications for the rest of the world.
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Earth Talk: Community-wide solar cuts costs
Collective solar groups help entire neighborhoods use clean energy.
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Dig the coal, bury the carbon
New coal-fired power plants will capture CO2 and inject it into the earth.
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Better lives in Bangladesh – through green power
The environmental arm of a Nobel Prize-winning community development bank brings solar power, biogas, better stoves, and economic opportunity to rural residents.
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Jon Wellinghoff, Obama’s energy futurist
The chairman of the Federal Energy Regulatory Commission is committed to renewable energy.
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It’s a landfill – and an ecopark
Singapore’s only landfill is more like a recreation area than a dumping ground.
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In Israel, solar power that won't need subsidies
On Monday, ZenithSolar unveiled a new solar dish that could make the cost of solar energy competitive with fossil fuels.
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Ocean power surges forward
Wave power and tidal power are still experimental, but may be little more than five years away from commercial development.
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Tapping the energy potential in our backyards
Earth Talk: Biomass has significant ecofriendly potential for power and heat, experts say.
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The ‘holy grail’ of biofuels now in sight
Long-promised cellulosic ethanol is in modest production, but hurdles remain.
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Iceland strides toward a hydrogen economy
Global economic crises underscores urgency of the goal, even as it delays progress.
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Montana’s got wind, needs power lines
But environmentalists worry that an expanded grid will help carry more dirty power.
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Backyard reactors? Firms shrink the nukes.
New designs could power some remote areas by 2012.
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Poll: World wants green action, despite costs
Sixty-nine percent of those polled in 21 countries say utility firms should be obliged to use more renewable resources, even if this would increase their monthly bills.
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A closer look at Obama’s energy plan
Economy may slow it, but ‘green’ jobs may grow it.
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Are alternative fuels reliving the 1980s?
Today’s slumping oil prices may undermine viability of alt-fuel programs – again.
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