The move has been years overdo, auto manufactures moved to fuel-injection systems year ago for greater fuel efficiency, but NASCAR feared the change could open new doors for cheating.

FORBES: NASCAR Gets Greener

Most tellingly, where Czech companies have received a hefty capital injection, as has Skoda Auto (now a subsidiary of Volkswagen), they have done well.

ECONOMIST: The Czech Republic

The most severe reactions require the use of an injection of epinephrine to subside, which is why many people with food allergies carry auto-injectors for emergencies.

CNN: Oral allergy syndrome may explain mysterious reactions