A car consumes more fuel in lower gears when accelerating. If the engine's not cooling, shift down instead of pressing the throttle. Shifting up 2000 rpm (1500 rpm for diesel) gives the best mix of speed and economy.
On an automatic with manual shift, short shift to save fuel. Fuel economy increased by 0.5 mpg to 25.4 mpg achieving a record high.
Since model year 2004 Co2 emissions have decreased 24% and fuel economy has increased 32%. Over that time Co2 emissions and fuel economy have improved in 13 out of 16 years.
There are a number of factors that can have a dramatic effect on the fuel economy.
To know more about fuel economy here:
https://brainly.com/question/14823479
#SPJ4
