Nature World: The United States Environmental Protection Agency (EPA) has reported that car companies are certainly catching on to the green revolution, consistently creating cars with significantly lowered emissions and improved gas mileage compared to past models.
That's at least according to the EPA's annual "Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel Economy Trends," which has followed car and sport utility vehicle model design since 1975.
According to the report, overall fuel...