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The two-wheeled E-Tracer 7009, developed by Peraves for Swiss team X-Tracer, will soon be headed into production under the name MonoTracer MTE-150.
Edison2's Very Light Car No. 98, along with the runners-up, now can enter the Energy Department's fast-track program for production versions of their energy-efficient cars.
X-Tracer, who competed with the E-Tracer 7002 in the X-Prize, will receive $2.5 million. The E-Tracer is powered by an AC Propulsion electric drive system.
Electric vehicle maker Zap progresses it to the next level in the Progressive Insurance Automotive X Prize with its Alias and legendary driver Al Unser, Jr.
It's challenged entrepreneurs to fly into space. Now the X Prize Foundation says it will award millions of dollars in a new Oil Cleanup X Challenge.
At a gala event Saturday night, the X Prize Foundation rolls out a vision and a plan for the next half-decade. Will it change the world for the better?
Peter Diamandis, who helped get private space flight off the ground, tells CNET where the X Prize Foundation sees the next big technological gains.
OptaMotive has partnered with Campagna Motors to bring a high efficiency version of its high-performance T-Rex to the Progressive Automotive X-Prize.
Automotive News reports on entrants for the automotive X Prize, a challenge to build a car that gets 100 mpg.
This story initially gave the incorrect MPGe figure for the winning car. The Very Light Car No. 98 has an efficiency of 102.5 MPGe.