Coiro

In this Wednesday, Sept. 29, 2010 photo, Tony Coiro rides a solar powered motorcycle he constructed in West Lafayette, Ind. Coiro, who is a junior majoring in physics, converted a 1978 Suzuki GS 550 into a solar-powered bike. Coiro said he can travel about 24 miles (40 kms) with speeds up to 45 mph (70 kph) before the motorcycle has to be recharged. (AP Photo/Journal & Courier, John Terhune) MANDATORY CREDIT

Coiro

In this Wednesday, Sept. 29, 2010 photo, Tony Coiro sits atop a solar powered motorcycle he constructed in West Lafayette, Ind. Coiro, who is a junior majoring in physics, converted a 1978 Suzuki GS 550 into a solar-powered bike. Coiro said he can travel about 24 miles (40 kms) with speeds up to 45 mph (70 kph) before the motorcycle has to be recharged. (AP Photo/Journal & Courier, John Terhune) MANDATORY CREDIT