Gas mileage is a growing concern. Recognizing that fact, the United Nations and European Union are partnering to create a new series of tests to rate fuel consumption in new vehicles under a worldwide standard.
The tests that are currently run to determine mpg are outdated and not realistic to the way that most of us drive. For example, the EPA test to determine mpg while driving in the city has the cars cover a distance of 11.04 miles at an average speed of 21.2 mph. While it is hard to devise a ‘perfect’ system, this test is very biased towards city drivers who have short commutes to work, and who drive slowly.