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.
#3 â Marriott Rewards Premier. Since this credit card is a Visa Signature, that means you get free access to Visaâs Roadside Dispatch program. Like Discover, the Visa program wonât give you free service for roadside assistance, but you do get it at a pre-negotiated low rate.