Mom wants a fuel-efficient car . . . what should she get? [more inside]
posted by GlassHeart on May 4, 2013 - 19 answers

New Jersey gasoline is more efficient than Massachusetts gasoline? I seem to get much better gas mileage with both my cars when they are filled up in NJ. What gives? [more inside]
posted by Rafaelloello on Jul 26, 2012 - 23 answers

What could be some reasons why my gas mileage is very suddenly and dramatically craptastic? [more inside]
posted by desuetude on Nov 22, 2009 - 19 answers

By using Google maps, I can figure out not just how to get from point A to point B, but also the number of miles and approximate time it would take to get from A to B. Is there a map that will also let me approximate gallons of gas? [more inside]
posted by jujube on Jul 2, 2008 - 9 answers

Help us pick a car! We're looking for a good used family car. We have two daughters, a 2 1/2 year old and a newborn and need a car that can accommodate an infant car carrier without putting the front passenger's knees in the glovebox. [more inside]
posted by Reverend John on Jun 5, 2008 - 23 answers

Simple tricks to improve MPG? For instance, I've thought about removing the rear seats/internal molding to lighten my car. I've also thought about aero-improvements, such as moon-disc wheel covers, or even somehow making a cover over my rear wheel wells. I'll be removing my rear wing this weekend, but what other tweaks could I do? [more inside]
posted by raikkohamilonso on Apr 29, 2008 - 39 answers

How can I maximize fuel economy in a car with an automatic transmission? [more inside]
posted by wondercow on Oct 9, 2007 - 25 answers

Last night on ABC news there was a guy with a VW beetle (silver) who put a wicked-huge wing on the back and claimed some ridiculously-high MPG figure. Alas, my google fu fails me. Why would this wing possibly work? They guy wasn't a tuner, AFAICT.
posted by Wild_Eep on May 5, 2006 - 27 answers