Prevent sudden acceleration and deceleration.
Do this by extending following distance. Also, anticipate changes in speed, such as when approaching turns, hills and traffic signals.
Cut back on speed.
Estimates say each mile per hour higher than 55 delivers a 0.1 mpg hit to fuel economy.
Operate engine in its peak torque zone.
Driving in the “sweet spot” keeps Your engine is at its most efficient when in its “sweet spot” — running at optimum horsepower once at cruising speed.
Turn off the air conditioning.
Switch off the air-conditioning or only run it for few minutes at a time when possible.
Turn off the engine.
Avoid excessive warm-up times when starting the truck. Even for a short stop, not idling can save money.