Join the Z100 Street Team with Carson at ARCO. 1110 SE Powell Blvd at 1pm to help get the secret out that ARCO has quality TOP TIER™ gas, we’re going to be giving ARCO customers a chance to get a free tank of gas. Rumor has it ARCO has the good stuff. You pay a little less, but the secret is out that it’s quality TOP TIER™ gas.