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Toyota 1/X concept
Toyota 1/X concept
The 1/X concept car, unveiled in Tokyo in 2007, combines advanced materials and lithium-ion batteries to create a plug-in hybrid capable of traveling 150 miles on a four-gallon tank of gasoline.

The 1/X is named for the fact that its mass, emissions and fuel consumption are a fraction of others in its class.

The four-seat car weighs just 926 pounds compared to a five-seat Prius that weighs 2,890 pounds. The car's roof is made from bio-plastics derived from kenaf and ramie, two types of fibrous plants.

The 1/X is powered by lithium-ion batteries and a small 0.5 liter flex-fuel engine.

NEXT: Dodge Sprinter plug-in

Last updated July 07 2008: 5:33 AM ET
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