It's getting to that time of year when it's chilly when you leave for that morning commute.  You've probably started to notice that your Prius gets notably worse gas mileage on these cold mornings, and the PriusChat Shop has the way to remedy it.  An Engine Block Heater is an easy to install add-on to your car that allows you to "pre-heat" your Prius' engine, enabling you to start out with fantastic mileage even on the coldest of days.