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How does Nissan's battery-free e-4WD work?

To assist their gas engines, Nissan has developed e-4WD, or electric four wheel, which uses electric motors but has no batteries. Is this a hybrid? Yeah. Think of it as a mild series or serial hybrid, which is a kind of hybrid that uses a generator instead of a battery to power the electric motors. Wait a minute, you might say: aren't four wheel drives less efficient than two wheel drive cars? Yes but e-4WD is very light and compact because it's electric. Okay, so how long before the fuel savings pay for the added hardware? It's not that clear ... Read more →

Los Angeles Times: E320 Bluetec is best car Californians can't buy Dane Muldoon

Click on the image for a gallery of high-res images of the 2007 Mercedes-Benz E320 Bluetec. Writing for the Los Angeles Times, Dan Neil has a good piece about the California Air Resources Board ...

Piezo injection technology breaks into top engine list Dane Muldoon

Siemens VDO has announced that for the first time an engine equipped with piezo direct injection gasoline (DIG) technology has featured in Ward's 10 Best Engine List of 2007. The 300 hp / 224 kW BMW ...

How does Nissan's battery-free e-4WD work? 1 year ago on Autoblog Green

To assist their gas engines, Nissan has developed e-4WD, or electric four wheel, which uses electric motors but has no batteries. Is this a hybrid? Yeah. Think of it as a mild series or serial hybrid, which is a kind of hybrid that uses a generator instead of a battery to power the electric motors. ...

Los Angeles Times: E320 Bluetec is best car Californians can't buy 2 years ago on Autoblog Green

Click on the image for a gallery of high-res images of the 2007 Mercedes-Benz E320 Bluetec. Writing for the Los Angeles Times, Dan Neil has a good piece about the California Air Resources Board adopting the EPA's Tier II, Bin 5 emission standard two years before most of the U.S. leaving the 2007 ...

Piezo injection technology breaks into top engine list 2 years ago on Autoblog Green

Siemens VDO has announced that for the first time an engine equipped with piezo direct injection gasoline (DIG) technology has featured in Ward's 10 Best Engine List of 2007. The 300 hp / 224 kW BMW 335i Twin Turbo 3-liter engine, which features Siemens VDO DIG technology, was unveiled at the Geneva ...


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