While natural gas is formed primarily of methane, it can also include ethane, propane, butane and pentane. The composition of natural gas can vary widely, but below is a chart outlining the typical makeup of natural gas before it is refined.
Roadside Dispatch-Roadside assistance is another service by Visa Signature. However, unlike similar services provided by American Express or MasterCard, there is a $59.95 service call. But the service includes towing, jump-start service, lock-out service, fuel delivery and whiching.
USAA members need to provide their valid driverâs license and credit card/debit card with their name embossed on it, at the time of rental. NOTE: Gold Plus Rewards members need only provide their driverâs license if at the Gold desk, or just walk out to the Gold canopy and pick up their pre-assigned car and contract.