They exist already, just aren't super common. Chevron is probably the most widespread in the US: http://www.chevronwithtechron.com/findastation.aspx http://www

They exist already, just aren't super common. Chevron is probably the most widespread in the US: http://www.chevronwithtechron.com/findastation.aspx http://www.chevronwithtechron.com/findastation.aspx (There is a filter for "Mobile Pay" at the bottom)