Nocterra. Volume one, Full throttle dark

"It's been ten years since Val Riggs saw the sun swallowed up by darkness. Ten years since nearly everyone she knew was infected and changed into hideous 'shades' -- know the signs: black gums, gnarled bones, and haunting yellow eyes. The only way to survive is to stay close to artificial light. Now a 'ferryman' providing transport for people and goods, she traverses the deadly unlit roads in her eighteen-wheeler, taking on whatever evils the nig...