"Gas" is the operative term. It is the expanding gas that makes internal combustion the best choice for most transportation. Steam engines and condensers for light transportation are just not feasible.
----- Original Message ----- From: <[email protected]> To: <[email protected]> Sent: Saturday, January 14, 2012 6:23 PM Subject: Re: [Vo]:Kiplinger Letter, Jan 6 2012, Topic: ENERGY In reply to Jed Rothwell's message of Sat, 14 Jan 2012 18:20:46 -0500: Hi, [snip] >Turbines are kind of slow to respond to controls. Jet engine aircraft are >less responsive than propeller-driven ones. There was a gas turbine >automobile prototype in the 1970s. I do not know what it was like to drive. >It made a heck of a noise, I think. There have been gas turbine powered race cars, so the response can't have been too bad. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html

