On Mon, 1 Oct 2012 11:37:20 -0400 "Gerry Archer" <arche...@embarqmail.com> wrote:
> .......SAE International (formerly the Society of Automotive Engineers) > has proposed that R-134a be replaced by a new fluorocarbon known as > HFO-1234yf. This tongue twister was formulated to meet the European > Union's latest requirement for an air-conditioning gas with a GWP below > 150. HFO-1234yf has a GWP of just four-ie, 335 times less than the > R-134a figure. Interesting. > Though it is expensive, Aye, there's the rub! > The laboratory has teamed up with Ford to develop a thermoelectric > climate-control system based on the Peltier effect. > .... > But its lack of a circulating fluid and of moving parts (except for a > fan to blow cold air) make it a strong candidate in a time when > vehicles have to use their motive power ever more sparingly to meet > mandatory fuel-economy requirements....snip But the Peltier effect coolers are quite inefficient and motive power is used to generate electricity to run them. Craig _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
