(NEXSTAR) — It's been a mild fall so far in parts of the country, but it won't be long before cold winter mornings arrive for many of us. (Thank you, La Niña.)
When you think of these balmy days, images of yourself shivering in your car, waiting for it to warm up, may come to mind. But depending on the car you drive, that painful and frigid wait could be wasted.
For decades, cars needed to be driven a little for the carburetor to work properly. If a car doesn't idle before driving, it can stall, The Washington Post previously reported explained.
When automakers started using electric injection instead of carburetors in the 1980s and '90s, the need to idle a car decreased. Unlike carburetors of the past, the new technology relies on sensors and does not need to be warmed up to fuel the engine. industry experts.
Drivers were also advised to warm up their cars until the oil warmed up. As it cools, the oil thickens, making it harder to lubricate the engine. According to , this can cause wear to the engine. tod wenzel chevroleta dealer in Hudsonville, Michigan.
But again, with modern cars and oil, you may not need to warm up the car for more than a few minutes. Engine oil and modern engines are designed to perform better in the cold.
Even the U.S. Department of Energy says most automakers' guidance says a vehicle will be ready to drive after just 30 seconds of warming up.
“The engine warms up faster while driving, so the heat turns on sooner, lowering fuel costs and reducing emissions,” the federal agency says. I wrote.
Leaving your car idling for more than a few minutes not only wastes fuel, but can also cause pollution. environmental defense fund. Idling is also possible it's illegal in your state.
Electric cars don't even need to be warmed up. The Oregon/Idaho Division of AAA was previously 2019 survey For Nexstar's KOIN, the company tested multiple EVs to measure their average range in inclement weather.
AAA says that when the temperature drops below 20 degrees, EV range could be reduced by 41%. AAA said the HVAC system used to heat the car's interior is the main culprit, and drivers can end up spending an additional $25 on charging for every 1,000 miles they drive.
When vehicles in the AAA study did not use any HVAC systems, their range in cold weather decreased by only 12%. However, if you want to take advantage of heat, AAA recommends warming up your EV while charging and making a pit stop while driving to charge.
Once you get in your car and are ready to go, AAA recommends that you “drive your car normally and avoid sudden acceleration.” This “allows the engine to reach warmer temperatures faster” than leaving it to idle. Although you can drive right away, it is worth remembering that the car will not be ready to reach interstate speeds right away.
According to , it can take 5 to 15 minutes for the engine to fully warm up. business insider. Additionally, pressing too hard on the gas pedal too soon can waste gas and pose a safety risk if the roads are snowy or icy, MIT mechanical engineer John Heywood wrote in 2016. He told the magazine in 2017.
However, if it's a very cold day, it might be a good idea to let the car run for at least 30 seconds before starting, explains Todd Wenzel Chevrolet. But in most cases, unless your car is older than the early 1990s, you probably don't need to defrost it before hitting the road.
KOIN's Jashayla Pettigrew contributed to this report.
