This may have been a lucky break. Google keyword tool suggests that "how a car works" is 1) low competition 2) 135,000 global 3) 60,500 local. This is an amazin

This may have been a lucky break. Google keyword tool suggests that "how a car works" is 1) low competition 2) 135,000 global 3) 60,500 local. This is an amazing and rare find, most keywords like this are already well picked over by niche site creators - also from the looks of it you were the first registrant in 2011.