Own a car in Beijing but still need some extra cash? Now all you have to do is leave your vehicle parked for 24 hours, and you’re eligible to receive a “carbon reduction red envelope” containing 0.2 to 0.7 yuan (3 to 10 cents), an amount that may double on especially polluted days.

The move is part of a government energy-saving campaign called “I Volunteer to Drive Less Each Week” led by the Beijing Municipal Commission of Development and Reform, and citizen participation is encouraged, reported The Beijing News on Sunday. Motorists with Beijing license plates must first register with the Beijing Motor Vehicle Vo