Daimler, which has worked on hydrogen technology for decades, is developing a fuel-cell semi with range of up to 600 miles per fueling and next-generation battery trucks amid intensifying competition to curb diesel and carbon exhaust from heavy-duty vehicles. Forbes reports:The combination of hydrogen and battery vehicles "enables us to offer our customers the best vehicle options, depending on the application," Daimler Chairman Martin Daum said at the event. "Battery power will be rather used for lower cargo weights and for shorter distances. Fuel-cell power will tend to be the preferred option for heavier loads and longer distances."