A fuel pump, used to fill up a vehicle with gas / petrol.
Shown as red or orange on most platforms. Apple's artwork shows a droplet icon and the numbers 00322 but previously displayed the letter G on the front.
Fuel Pump was approved as part of Unicode 5.2 in 2009 and added to Emoji 1.0 in 2015.
⛽ Gas Pump
⛽ Petrol Pump
⛽ Fuel Pump