Fuel Efficiency Going Down? Here’s Why It’s Dropping.
We all know that sudden acceleration when the light turns green doesn't do your fuel efficiency any favors. In fact, many everyday driving habits affect your car's fuel economy. But, let's say your driving habits haven't changed. You aren't taking turns like a Nascar driver, and you haven't been revving your engine. So, why is your fuel efficiency decreasing? But, Doesn't Fuel Efficiency Normally Change Over Time? Yes. As car's age, fuel economy declines. No matter how well you take care of your vehicle, it's engine efficiency and power are never as good as when you drive it off the lot. However, while a product of the miles you've driven, this decrease in efficiency is most likely due to faulty or worn engine components. It's also true your gas mileage changes over the period of the day as well. Colder mornings mean lower fuel economies. In fact, at 20-degrees your fuel economy is 12% lower than at 77-degrees. But, what about on a typical, warm day? With a car that isn't incredibly old. Why do [...]









