Millions of Uber, Lyft, DoorDash and Instacart drivers have no choice but to pay higher gas prices if they want to keep earning a living. Tamira Moncur didn’t fill up her tank at an Atlanta-area gas station last month because she was afraid she couldn’t afford it. The teacher, who works part-time as a Lyft driver, doesn’t know how long she can keep up the side gig if the price of gas k... [3012 chars]