US. Energy Information Administration https://www.eia.gov/tools/faqs/faq.php?id=23&t=10 source US. Energy Information Administration https://www.eia.gov/tools/faqs/faq.php?id=23&t=10 every gallon of gas U.S. Energy Information Administration about 9.33 million barrels per day. US. Energy Information Administration https://www.eia.gov/tools/faqs/faq.php?id=23&t=10 https://www.eia.gov/tools/faqs/faq.php?id=23&t=10 https://www.eia.gov/tools/faqs/faq.php?id=23&t=10 U.S. Energy Information Administration https://www.eia.gov/tools/faqs/faq.php?id=23&t=10 https://www.eia.gov/tools/faqs/faq.php?id=23&t=10 every gallon of gas https://www.eia.gov/tools/faqs/faq.php?id=23&t=10 federal government energy website U.S. gasoline consumption in 2015 https://www.eia.gov/tools/faqs/faq.php?id=23&t=10 U.S. gasoline consumption in 2015 https://www.eia.gov/tools/faqs/faq.php?id=23&t=10 143 billion gallons of gasoline