Buy it Now: eSpyder Electric Airplane Lands at Oshkosh 2013 Under $40K

According to GreenWing’s stated figures, the 32 hp electric motor can propel the eSpyder to maximum air speed of 68 mph. Peak efficiency, though, is found in an “economy cruise” mode that holds the tiny plane at 38 mph, which translates to about 90 minutes of flying time.

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Aviat Flies World's First CNG Airplane at Oshkosh 2013

Avgas costs nearly $6 per gallon these days, and the lead-enriched petroleum-based fuel is highly, highly toxic. So, why not build a plane that runs on low-emission, high-octane CNG? Aviat has done just that, and they’ve released their new, clean-burning aircraft at the Oshkosh 2013 aviation show!

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Diesel-Electric Hybrid Could Replace HUMVEE

The workhorse of the United States Armed Forces is the HUMVEE, better known as the Hummer. And just as the civilian versions have ceased production, the armed forces plans of replacing the aging HUMVEE soon. One of the leading contenders, the L-ATV, also happens to be available as a diesel-electric hybrid.

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