How often do you get in a black cab and think you’re getting ripped off, especially because you’re often unsure of how much your ride will cost until you get to your destination? Everyone has been in a situation, where: sat in the backseat of a cab, eye on the meter, fretting about how much it’s going to cost.
In the race to develop alternative fuel sources, inventors and engineers have explored some weird and wacky avenues. Here are five of our favourite unconventional fuels that have powered, or were planned to power, cars on the road.
Travel to the south of Germany, particularly around Stuttgart and they won’t let you forget that this is where the car first emerged at the end of the 19th century.