Here’s a couple innovative approach to cars…

In 2008, Louis Palmer, a Swiss, toured a number of countries in his photovoltaic-powered car to highlight the potential of the technology. This picture was taken on his Sydney stopover. The photovoltaisc panels are seen in the background on a long trailer that was attached to the car.
Louis Palmer was Canberra-bound when this photo was taken.

A car on a long distance tour powered by waste vegetable cooking oil.