Right, with the CFCs was the same story, the market solve it alone. I have have my classic car octane addiction, just because it's fun, it's not a right. Best,

Isn't this a direct Trump bribe service?

... and earn less. Cheap solution, drive less and bike and walk more.

It's race cars engines

Not a scientific paper, but... https://www.youtube.com/watch?...

And need to be warmed before starting, due to very tight tolerances.

Simple reason... http://www.amazon.com/Haribo-Gummy-Candy-Sugarless-5-Pound/dp/B000EVQWKC (check the reviews)

I'm usually in cross country rides, marathons and orienteering, it's all ways with helmet, gloves, some experience and luck.

Me too, it's a different attitude and risk. My stats: 14 years of daily commute to work, 1 fall (a broken chain on a power standing starting, painful, no help from helmet there) ~25 years mountain biking, 2 broken helmets, 3 bones, many many cm of skin lost.