That's a great attachment, thank you!
Quote:
Rock Solid Rules
Every 2% reduction in aerodynamic drag results in approximately 1% improvement in fuel economy.
Above 55 mph each 1 mph increase in vehicle speed decreases fuel economy by 0.1 mpg
Worn tires provide better fuel economy than new tires, up to 7% better fuel economy.
Used lug drive tires can get up to 0.4 mpg better than new lug tires
Ribbed tires on the drive axles provide 2-4% better fuel economy than lugged tires.
Every 10 psi that a truck’s tire s are underinflated reduces fuel economy by 1%.
The break in period for tires is between 35,000 and 50,000 miles.
Tires make biggest difference in mpg below around 50 mph; aerodynamics is the most important factor over around 50 mph.
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So where do you buy tires with between 35k and 50k miles?