Cars will be lining up in Auburn Hills Wednesday morning.
Cornerstone Community Financial is giving away free gas at the BP station on University Drive and Pontiac Road as part of a nationwide program by credit unions and community banks.
Only the first 200 cars will receive the free fill-up.
Lucky drivers will be limited to $20 worth of fuel each.
The giveaway runs from 9 a.m. until 11 a.m.