Technology can support better driving habits. Smartphone apps like Fuelly or GasBuddy help you track mileage, fuel efficiency, and routes. Small plug-in devices that connect to your car’s OBD-II port (such as Automatic Pro or ELD-based trackers) provide real-time feedback on driving style, showing where you waste fuel through harsh braking or rapid acceleration.
Navigation tools also play a role. Choosing routes with less congestion or fewer stops reduces idling and emissions. Google Maps and Waze already suggest eco-routes in many areas, saving fuel and emissions on everyday trips.
Maintain Your Vehicle
You might not be able to afford an electric vehicle just yet, but small and inexpensive maintenance tasks on your current gas-powered vehicle can help reduce emissions. For example, you can improve fuel efficiency and reduce wear by keeping your tires properly inflated at all times.
Look for the tire information placard inside the driver’s door jamb to find out the recommended PSI. The general range for most passenger vehicles is 30 to 35 PSI. To improve engine performance, change the oil and filters at the recommended intervals and inspect critical components, such as oxygen sensors and spark plugs.
The Impact of Fuel Choice
While maintenance goes a long way, your choice of fuel also plays a role in emissions. Some regions offer ethanol blends (like E10 or E85), biodiesel, or renewable diesel. These fuels can reduce lifecycle greenhouse gas emissions compared to conventional gasoline or diesel. For example, biodiesel blends can lower carbon dioxide emissions by up to 74% over their lifecycle, according to the U.S. Department of Energy.
However, it’s important to make sure your vehicle is compatible before making a switch. Not every car is designed to run on higher ethanol blends or biodiesel. Check your owner’s manual or ask your mechanic before filling up.
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