The best tip to save fuel is to acquire a more fuel efficient car. If you have a car that currently gets 18 miles per gallon, and you obtain another vehicle that gets 27 miles per gallon, you just increased your fuel efficiency by 50%, and saved 50% more gas, and will spend 50% less on gasoline.
MOST EFFICIENT OVERALL
Toyota Prius 48 MPG City 45 MPG Highway
Two Seaters with highest fuel efficiency
smart fortwo Convertible 33 MPG City 41 MPG Highway
smart fortwo Coupe 33 MPG City 41 MPG Highway
Mazda MX-5 22 MPG City 27 MPG Highway
The Most Fuel Efficient Compact Cars
Honda Civic Hybrid 40MPG City 45 MPG Highway
Toyota Corolla 28 MPG City 37 MPG Highway
Most Efficient Midsize Cars. Typically the best at saving.
Toyota Prius Hybrid 48 MPG City 45 MPG highway
Nissan Versa 26 MPG City 31 MPG highway
Most Efficient Large Cars.
Honda Accord 22 MPG City 31 MPG highway