“What has three letters and starts with gas?”/“A car.”

A car riddle is:
 
Q: What has three letters and starts with gas?
A: A car.
 
The riddle has been cited in print since at least 2012.
 
     
Twitter 
medschool.
@VivaLaAli
What has 3 letters and starts with gas?
10:00 AM · Feb 15, 2012·UberSocial for BlackBerry
   
Twitter 
Stoic
@_Wray
a “Car” RT @VivaLaAli: What has 3 letters and starts with gas?
10:01 AM · Feb 15, 2012·TweetDeck
 
Twitter 
KALEIDOSCOPE
@KALEIDOSCOPENY
Today’s riddle of the day is : What has three letters and starts with gas?
10:18 AM · Jan 18, 2013·Hootsuite
 
Twitter 
Leonardo young
@LeOpUsSyLiCkSoN
Q: What has three letters and starts with gas?A: A car #Lol #hehe #haha #lmao #lmfao #getit #tilldaybreak #nosleep
6:16 PM · May 31, 2013·Twitter for BlackBerry®
   
Google Books 
More One Liners, Jokes and Gags
By Grant Tucker
London, UK: Biteback Publishing
2013
Pg. ?:
What has three letters and starts with gas? A car.
 
Twitter 
Mike Astemborski
@Astemborski
What has three letters and starts with gas?
A car.
5:27 AM · Nov 20, 2015 from Phoenix, AZ·Twitter Web Client
   
Google Books 
Crack Yourself Up Jokes for Kids
By Sandy Silverthorne
Grand Rapids, MI: Revell
2018
Pg. ?:
Q: What has three letters and starts with gas?
A: A car.
 
Reddit—Dadjokes
Posted by u/howiewu0402 July 6, 2020
What has three letters and starts with gas?
A Car.