| 摘要 |
<p>Fuel dispensers are provided that include a controller that controls sales transactions, The controller allows a user to dispense more than one fuel type in a single sales transaction. The types of fuel may include various combinations and subcombinations of liquid natural gas (LNG), compressed natural gas (CNG), gasoline, diesel fuel, and diesel exhaust fluid (DEF). A display on the dispensers may be used to display training images. The dispensers may use a novel communication protocol for communicating with a control console of a fuel farm.</p> |
