It depends what you mean by 'waste'.
No engine is 100% efficient, nor can it be. You could certainly get from A to B using less fuel by simply using a smaller engine. You could also 'waste' less money by buying fuel at a cheaper price.
How much money in gas does a car waste weekly?
$40.82
Premium gas
3
not enough gas money to find out ========================================================== My 1971 Ford Mustang fastback with a 351 Cleveland 4 barrel was rated at ( 285 brake horsepower ) from the factory
nothing it is free and cool due in 2 weeks:]
According to my Chilton's Auto Repair manual : A 1970 Ford Mustang has a ( 22 U.S. gallon gas tank )
it uses about 1 gallon of gas
the 2012 mustang will run on regular gas
60 liters ( 16 U.S. gallons )
16.0 U.S. gallons ( 60.6 liters )
The 2013 Ford Mustang is a gas-powered vehicle.