Getting the catalitic (sp) converter warm also takes a lot longer in the winter.

My for best fuel economy weather is just after a rain, so the humidity is near 100%, but the roads are relatively dry and the temperature is about 70F.

Water injectors were common when most vehicles used carburators, but those occasional muggy days lead me to think they still might be useful.

61.5mpg lifetime - 82mpg in recent months

Best Run >
www.cleanmpg.com

"fanatic" is what the lazy call the dedicated