What are the pros and cons of trying to switch heating systems from a traditional furnace to a waste oil heater that burns used gasoline engine oil, particularly for an automobile repair garage? [more inside]
posted by franklen on Feb 27, 2009 - 10 answers

Is there a precursor to Moore's Law for internal combustion engines? If so, can you provide details, please?
posted by Exchequer on Apr 24, 2008 - 7 answers

For about a week, I've noticed a "hot" smell coming from my engine. I don't know how to describe it except that it smells like an iron that has been left on. What is it? [more inside]
posted by kidsleepy on Aug 21, 2007 - 13 answers

Hydrogen Cars. All the talk we hear now of hydrogen powered automobiles involves fuel cells. How about burning hydrogen directly in an internal combustion engine? [more inside]
posted by mbarryf on Jun 14, 2007 - 19 answers

BuickFilter: I have an '86 Buick Century 4-cylinder (it's the "Iron Duke" motor). Yes, I know, hot. I think I need a new starter. What do you think? [more inside]
posted by Mister_A on Apr 2, 2007 - 8 answers

Twice in 2 months rats have chewed the transmission cable in my girlfriend's car, how do we get them to stop! [more inside]
posted by zaphod on Mar 5, 2007 - 14 answers

AutomobileFilter: I was looking at a few cars in the office parking lot and I couldn't help wondering -- why are Audis and Subarus designed with the engine so far forward? I've heard that both these brands of cars generally have the engine placed in front of the front wheels. Is there a technical reason for this, or does it come down to legacy engineering?
posted by clevershark on Nov 7, 2006 - 11 answers

What's rattling under the hood of my car? [more inside]
posted by one_bean on Oct 20, 2006 - 6 answers