Some crossover SUVs get easier fuel-economy rules, others don’t

2018 Toyota C-HRWhat's a truck? If you tell your average suburban family that they're hauling their kids to school and sports practices in a truck, many will push back. "It's an SUV," you'll likely hear, or perhaps, "it's called a crossover"—short for crossover utility vehicle, or a car-based SUV. DON'T MISS: Are you driving a car, a crossover, an SUV, or a...