It would prohibit tobacco companies from using terms such as "low tar, " "light" or "mild, " require larger warning labels on packages, and restrict advertising of tobacco products.

CNN: Obama welcomes bill to regulate tobacco

Hamilton said he had been told by the team that the red light was on at the end of the pit lane, but that the warning came "a little bit late".

BBC: Kubica wins after Hamilton error

And under International Civil Aviation Organisation regulations, any structure over 45 metres tall on a flight path or near an aerodrome must be fitted with a medium-intensity aircraft warning light.

BBC: London helicopter crash: What are the rules for pilots?

Economists would say the rising prices are like the check engine light coming on on the dashboard, and to lift the gas tax would just put a piece of black tape over the warning light.

NPR: 2 of 3 Presidential Hopefuls Back Gas Tax Holiday