Savings per extra time incurred is calculated as the money saved by slowing down divided by the extra time incurred:.
Understanding the Charts
Speed-mpg relationships are based on dynamometer tests of 74 light-duty vehicles representing a variety of manufacturers, nine vehicle classes, engine sizes 1. Almost all are conventional gasoline-powered vehicles. Only one diesel and two hybrids are included; no plug-in hybrids or electric vehicles were tested.
These estimates work best for well-maintained modern gasoline light-duty vehicles and will likely be less accurate for diesels, hybrids, and vehicles with cylinder deactivation. Their applicability to plug-in hybrids and electric vehicles is unknown.
Therefore, our cost and savings estimates should be conservative. If you need to use an external cargo container, removing it when it's not in use will save fuel and money. Avoid keeping unnecessary items in your vehicle, especially heavy ones. Idling can use a quarter to a half gallon of fuel per hour, depending on engine size and air conditioner AC use. Turn off your engine when your vehicle is parked. It only takes about 10 seconds worth of fuel to restart your vehicle.
Turning your engine off when your vehicle is parked can save you money. Here are some tips to help you maximize your savings.
How To Maximize Fuel Economy
If you'd like to promote idle reduction in your area, the Clean Cities IdleBox Toolkit can help you get started. Using cruise control on the highway helps you maintain a constant speed and, in most cases, will save gas. Toggle navigation. Selling your car? We can help you advertise its mpg. Vehicles produce about half of the greenhouse gases from a typical U.
We can help you calculate and track your fuel economy. MPG estimates from drivers like you! Answers to frequently asked questions about octane. Enter vehicle or phrase. Driving More Efficiently. Drive Sensibly. Updated Information Aggressive driving speeding, rapid acceleration and braking wastes gas. Observe the Speed Limit.
What is the penalty for my car? Step 1.
How to Maximize Your Vehicle’s Fuel Economy | Union of Concerned Scientists
Select a vehicle. Step 2.
Consumers who currently drive erratically can pocket the equivalent of 68 cents a gallon by driving more smoothly. Nearly one out of every four cars is running with a dirty air filer. Straighten Out.
6 Simple Car Mods That Actually Save Fuel
If you notice your car pulling to one side or the steering wheel is off-center, you need to take the car in for a wheel alignment, which could save 39 cents per gallon. Slow Down. Speeders, repent your lead-footed ways. For every five fewer mph you cruise along at highway speed, you can reduce fuel consumption by seven percent.
Get a Tune Up. Pump 'em Up. The average under-inflation of 7. Properly inflating problem tires is like knocking 11 cents off a gallon of gas. Lose Weight. Check Your Cap. Don't Idle.