The Environmental Protection Agency is creating rules to try to make car mileage on stickers more accurate.

The Chicago Tribune Reports:

Though the new procedures are expected to reduce the estimates from 5 percent to 25 percent, the agency’s boilerplate warning will still apply: Your mileage will vary.

“We are very confident these new values will be more reflective of the real world, but how you drive is still the more important factor,” said Margo Oge, director of the EPA’s transportation and air quality division. “They should always be viewed as estimates. We don’t want consumers to view them as absolute values.”

Read the full story on more accurate mileage.