Engine compartment and charging port of the Nissan Leaf, a five-door mid-size hatchback all-electric zero-emissions car introduced in the U S in December 2010 It has a range of 100 miles and economy is 99 miles per gallon gasoline equivalent The car is. Engine compartment and charging port of the Nissan Leaf, a five-door mid-size hatchback all-electric zero-emissions car introduced in the U S in December 2010 It has a range of 100 miles and economy is 99 miles per gallon gasoline equivalent