In a tiny sliver of shade, on a hill next to Puerto Rico's Route 65, Kiara Rodriguez de Jesus waves a sparkly pink hand fan to keep cool.
"I trust in God," she says. "Please, come the gas."
Along with her family, parked in a Volvo SUV, she has been in line for gasoline since 3 a.m., she says. Now it's after 1:30 p.m. And like everyone else at this gas station, she has no idea how much longer she'll be waiting.