Several factors can impact your MPG while driving, including: Driving aggressively (such as fast acceleration, braking, and high speeds) Cold weather conditions, as engines operate most efficiently at specific temperatures Towing a trailer or utilizing a roof rack, which adds extra weight and requires more energy Air conditioning usage Four-wheel-drive operation compared to two-wheel-drive For further information on fuel efficiency and related topics, you can explore credible sources such as Wikipedia's page on 'Fuel economy in automobiles'.