Bristol elects a third of its councillors at a time, but from 2016 will switch to all-out elections to be held every four years.

BBC: Local elections 2013: Lib Dems lose nine seats in Bristol

The switch comes at a time when the sport is stepping up its efforts to go green.

FORBES: NASCAR Gets Greener

Such customers might even switch permanently if Amtrak can get more of its trains to run on time.

ECONOMIST: Some companies have flourished in the wake of the attacks