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.
Many banks, including Chase and Citibank, offer Visa Signature versions of popular credit cards. If you're responding to a Visa Signature credit card offer, check the terms and conditions for specific details about the rewards and benefits that apply. Although most banks have embedded all of the Visa Signature perks into their premium accounts, some offers restrict access to one or more special features.