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HypermilerAX · 11-16-2012, 04:53 PM

There's one thing we can't fight against, though, it's air density. Air is 10% more dense at -5°C than at 20°C, meaning 10% more drag.
Difference between very hot summers (40°C) and cold winters (-10°C) is 20%.

11-16-2012, 04:53 PM	#6 (permalink)
HypermilerAX EcoModding Apprentice Join Date: Apr 2011 Location: Southern France Posts: 159 AX - '95 Citröen AX 307 - '04 Peugeot 307 SW Thanks: 12 Thanked 67 Times in 37 Posts	There's one thing we can't fight against, though, it's air density. Air is 10% more dense at -5°C than at 20°C, meaning 10% more drag. Difference between very hot summers (40°C) and cold winters (-10°C) is 20%. __________________ Citroën AX 1.5 D 430.000 km Peugeot 307 SW 2.0 HDI 136 195.000 km