Fuel efficient and alternative fuel vehicles are just one part of the solution to our future transportation problems. US highways and our transportation infrastructure are both sorely outdated, and few advancements have been made to improve the actual driving experience.
One idea we covered some months ago was the Solar Roadway, which would replace traditional asphalt roads with a grid of solar-powered, self-heating roadways. These roadways would merge utility poles, plowing, road signs and warnings into a single dynamic unit. Solar Roadways has completed their first 12′ x12′ section of road, and it looks like it works!