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There are HID kits and there are HID retrofits. The former are the cheap, mostly plug and play kits you see all over the net. Retrofits involve selecting lenses, HID-specific projectors, and fine tuning the light output. Retrofits are usually DIY but you can sometimes find someone to do it for...

I came across this a few days ago: Fat Knowledge: Food CO2 and Land Footprints CO2/cal is much lower than your initial assumptions. Last year I was riding up to 400 mi/week and consuming up to 4500 kcal/day. Most of it was carbs from processed junk foods. I eat beef perhaps 1-2 times a...

58 kcal/mi is way too high. I've yet to see a website, heart rate monitor, GPS, or gym machine that doesn't overestimate calorie expenditure for cycling. From my experience using SRM Powermeters and Velotron ergometers, calories per mile can be estimated at 35 kcal/mi. It's not affected as...

I live in Denver and only recently began thinking about buying a Tesla. I was intrigued by the tax credit. It appears to be a credit towards state income taxes paid that can be carried forward for 5 years. CO has a flat income tax rate of 4.63% so doing a little math: $42,083 / 4.63% =...