The United States was one of the biggest sources of oil demand growth in 2015 but the outlook for 2016 is much more muted, according to official forecasters. The U.S. transportation sector continues to send mixed signals about the strength of fuel demand at the end of 2015 and heading into 2016. U.S. consumers are buying a record number of new vehicles, and more of them are choosing fuel-hungry crossover utility vehicles, according to market intelligence supplier Wards Auto. The volume of traffic on U.S. roads has also hit a new record and is growing at the fastest rate for almost two decades, according to the Federal Highway Administration. But the volume of freight transported by road, rail, air, barge and pipeline has been trending flat or lower since the end of 2014, according […]