I don't know about the Tahoe area, but I get a lot less gas mileage when driving the hills of Los Angeles. It's not just the inclines, but even the flat-ish roa

I don't know about the Tahoe area, but I get a lot less gas mileage when driving the hills of Los Angeles. It's not just the inclines, but even the flat-ish roads are very curvy, which involves a lot of braking and then acceleration.