The following cars represent the most technically advanced available.
The 2012 Toyota Prius just works, delivering outstanding fuel economy, good cabin-tech options, and a comfortable ride with few compromises.
Not only will the car feature a hybrid electric-gasoline engine and automatic self-parking, but it will soon get solar panels on the roof to power its air-conditioning system.
By using a solar panel and electric motor combo, Toyota is able to use the power of the sun against itself, save petrol, and reduce CO2 emissions
Sports cars aren't supposed to be green. They're supposed to snort petrol, belch fumes and cause innocent passers by to develop nasty chest infections. Lotus disagrees
Japanese daily reports Toyota is "secretly" developing a solar-powered Prius. But we've heard this in one form or another for at least the last year.
Automotive News reports on core differences between Toyota and Honda, and how they affect the Prius and Insight hybrids.
Just don't expect to keep it in your backpack.
Running the numbers on the reported solar-powered Prius; GreenVolts eyes more cash; a clean-tech fund from a steel manufacturer; U.S. policy halts solar investments; debate over enough energy innovations; solar-power streetlights in Baghdad.
Taiwanese solar-powered model looks like a golf cart.
Chinese auto parts supplier Wanxiang plans to offer repurposed Fisker Karma's with V-8 engines capable of bringing the car to 200 mph.