Car manufacturers have always been scratching their heads with how to create the most economical and affordable car possible, and environmental controversies have only strengthened this. There are many ideas that go away from oil, but when we get to the lowest common denominator, that is, what is technically feasible, when the price is important, most concepts remain just that - a concept. That's why, instead of looking to the future, we looked to the past and the present and pulled out (also from mothballs) the most fuel-efficient cars we drive. Introducing