More trucking companies in the U.S., including United Parcel Service, are planning to expand their use of natural gas in their fleets. "By us doing this, it will help pave the way and others will follow. Moving into LNG is a means to get us onto what we see as the bridging fuel of the future and off of oil. It's the right step for us, for our customers and for our planet," said Scott Wicker, chief sustainability officer at UPS. Infrastructure is currently being put in place to support the wider adoption of natural gas vehicles in the market.