Tony Konnaris, owner of Tony’s Tavern in Three Rivers, travels to Los Angeles weekly to buy supplies at lower prices. Rising fuel prices, truck driver shortages, and a tightening labor supply have collided to create the perfect storm for higher food prices, leaving both Central Valley consumers and business owners scrambling to keep up. With no relief in sight, everyone’s feeling squeezed. “It’s not just one thing,” says Tom Riddle, managing dir…