on trips from pa to Florida in my 1996 Toyota Camry i used to go pedal to the metal which gave me about 27mpg but by keeping speed around 65 to 67 mph on last trip i averaged 36 mpg. this is all hwy miles.
Most small or mid size cars get the best mpg. i have a 95 Saturn sl2 gets 35 city 26 highway it does really good on gas. There is also Honda accords and other smaller vehicles that u could choose...
Not hybrids. A diesel gets much better mileage than a gas car or truck. Where a gas truck will get 12mpg a diesel gets around 20mpg. In the mid-70's Honda made a little hatchback that ran on natural...