“Eh, I got another gas tanker lick and I'm bringing it to your ass. They going to be travelling down the GOH, the buyer's already lined up and everything. There's a rumor a crew of freelancers took a contract to protect it, but we don't truck with no rumors, dog. Get the tanker and drop it at the spot in El Burro. Peace.”
There's a tanker coming from northern Los Santos through the Great Ocean Highway full of gasoline. Lamar tells the player that buyer is lined up and payed several men for protection. The team needs to find a way to steal the tanker. After stealing the tanker, those men will chase after the player numberous times, shooting at the player from the windows. Killing them or eliminating them, the player who's driving needs to take the tanker at Lamar's depot over Murrieta/El Burro Heights.
Steal the tanker.
Deliver the tanker to the depot.
GTA Online - Mission - Going Down the GOH Hard Difficulty