Fueled by low gas prices and a stronger economy, Americans drove a record 3.15 trillion vehicle miles in 2015. But the additional driving may lead to more pollution and traffic gridlock. Zoran Milich/Getty Images hide caption
gas prices
Tuesday
Thursday
Consumers have been benefiting from lower gas prices. Here, prices dip below $2 per gallon at an Exxon station in Woodbridge, Va., on Jan. 5. Saul Loeb/AFP/Getty Images hide caption
Saturday
A customer fills up at a gas station in Chillicothe, Ill., in December. Low prices have meant big savings for consumers, but urban planners worry that cheap gas will encourage sprawl. Bloomberg/Bloomberg via Getty Images hide caption
Wednesday
A woman fills her car with gas in Woodbridge, Va., on Tuesday. Supplies of crude oil and refined gasoline have driven prices at the pump down, and they're expected to go even lower. Saul Loeb/AFP/Getty Images hide caption
Tuesday
Prices, as seen at a gas station in Woodbridge, Va., on Tuesday, are 21 cents a gallon cheaper than this time last year. The drop violates the historic rule that tension such as that currently between key producers Saudi Arabia and Iran causes the cost of a barrel of oil to rise. Saul Loeb/AFP/Getty Images hide caption
Wednesday
Gas prices are displayed at a service station in Leonia, N.J., Nov. 24. Gas is under $2 a gallon across much of the country and the price is expected to remain low next year. Seth Wenig/AP hide caption
Monday
Students at the Pennsylvania College of Technology are learning a technique called "tripping pipe," moving a pipe from a stack into a horizontal position and lowering it down into a well. The students train on a practice drilling rig to learn how to be roustabouts. Jeff Brady/NPR hide caption
In Pennsylvania, Employment Booms Amid Oil And Natural Gas Bust
Monday
Cushing, Okla., is a major oil storage site. Amid record oil production, some analysts worry the U.S. will run out of places to put it all. Daniel Acker/Bloomberg via Getty Images hide caption
With So Much Oil Flowing, U.S. May Be Reaching Storage Limits
Thursday
A sharp drop in gasoline prices led the consumer price index to fall in January. The CPI posted its first year-over-year drop since 2009. Rich Pedroncelli/AP hide caption
Tuesday
The James C. Nance Memorial Bridge, which connects Purcell and Lexington, Okla., is closed for repair in March 2014. A handful of states have raised their gas taxes in part to fund transportation projects like bridge and road repairs. Sue Ogrocki/AP hide caption
Failing Bridges Taking A Toll; Some States Move To Raise Gas Tax
Tuesday
Traffic moves along Route 21 in downtown Newark, N.J., where a gas station lists the price for regular unleaded gasoline at $1.72. Julio Cortez/AP hide caption
Looking For Even Cheaper Gas? Go Generic At An Indie Station
The price of jet fuel has dropped, but airlines are still adding fuel surcharges to the price of many tickets. Many other industries that use large amounts of fuel, like shipping and delivery services, have also maintained extra fuel fees. Nam Y. Huh/AP hide caption
With Oil Prices So Low, What's That Fuel Surcharge For, Exactly?
Thursday
Jed Brown drives 100 miles each day to work between Pennsylvania and West Virginia. Cheaper gas is making his commute more manageable, but he doesn't expect the low prices to last. Uri Berliner/NPR hide caption
For Long-Haul Drivers, Cheap Gas Means A Sweeter Commute
Saturday
Larry Coleman, a salesman with Trudeau's Marine, talks to Bill Floren and Kimberly Abramski at the 55th Annual Portland Boat Show on Jan. 7 in Oregon. Lower fuel costs are projected to boost boat sales this year. Kristyna Wentz-Graff/The Oregonian/Landov hide caption
Lower Gas Prices, Faster Economy Float Boating Industry
Monday
Dodge Ram pickup trucks await customers Jan. 5 on the lot at Landmark Dodge Chrysler Jeep in Morrow, Ga. Buoyed by a resurgent economy, holiday sales, cheap gasoline and a love affair with pickup trucks, Americans headed to car dealers in droves last month, pushing full-year sales to what's likely to be the highest level since 2006. John Bazemore/AP hide caption