Quote:
Originally Posted by TTDegs
read Pottsy's '65mph for 100 miles...' thread - aircon makes little or no difference to the fuel consumption  |
By the way - accordig to the Swiss reseach institute EMPA
http://www.empa.ch/plugin/template/empa/*/39486/---/l=2
averaged on six car models, the A/C used about 1.6 l/100km (0.57 gallons/100 miles) at 23°C/shadow, and a bit more when sunny.
I don't know how fast they were driving (meaning the time needed for the engaged A/C to reach 100 km).