I’m looking for tips on how to get the best possible mileage from my 2008 Prius?
I do a lot of driving, 12,000 miles in 5 months, mostly on the interstate and back country roads, about equally divided, 25% city driving. I am getting about 44 mpg city but only 39-40 interstate. When the weather was cold it dropped to 37-39 mpg. I want to maximize my mileage for environmental and