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Half-ton of pot found on bus at border

One bus driver took going green to a whole new level this week, filling his gas tank with a thousand pounds of pot.

Customs and Border Protection officers near San Diego discovered the stash hidden inside a commercial bus in line to cross at the San Ysidro port of entry.

A 56-year-old Mexican citizen was waiting with the bus, according to border officials. An officer sensed something was off, and a detection dog confirmed the suspicion. An imaging system revealed oddities with the bus's gas tank.

Read the original story on NBCSanDiego.com

CBP officers searched the bus and found 110 packages of marijuana inside the tank, according to officials. They weighed 1,071 pounds and have an estimated street value of $482,000.

Officers took the driver into custody.