Two senators unveiled a long-awaited carbon emissions reductions bill Wednesday that could spur increases in the cost of diesel fuel for motor carriers.

Two senators unveiled a long-awaited carbon emissions reductions bill Wednesday that could spur increases in the cost of diesel fuel for motor carriers.

Two senators unveiled a long-awaited carbon emissions reductions bill Wednesday that could spur increases in the cost of diesel fuel for motor carriers.

Two senators unveiled a long-awaited carbon emissions reductions bill Wednesday that could spur increases in the cost of diesel fuel for motor carriers.

Two senators unveiled a long-awaited carbon emissions reductions bill Wednesday that could spur increases in the cost of diesel fuel for motor carriers.