Fuel prices reversed last week’s decline, pushing the national diesel average to $3.718 and squeezing operating budgets for ...

[Photo courtesy of Kia] With the launch of the 2026 Carnival, Kia has phased out the diesel engine. The 2.2-liter diesel had long been synonymous with the Carnival, renowned for its robust torque and ...

Once deemed obsolete, diesel is making a comeback as EV sales slow. Automakers are reviving diesel models to meet current ...

RTD directors for years have prioritized converting metro Denver’s aging fleet of 995 diesel-powered buses to cleaner, quieter battery-electric vehicles, in line with Colorado’s climate goals. But ...