States are using higher registration fees for electric cars to make up for declining fuel taxes, but some are punitive, environmentalists say. A federal tax could be coming.

Heavy snow is expected on Sunday in the Northeast before the coldest air in several years descends across much of the country starting on Monday, forecasters warned.

Early data from the Metropolitan Transportation Authority suggests that traffic has dropped around Manhattan’s core.

Manhattan commuters are already marveling at what appears to be less traffic — and grousing about the new $9 tolls.

Hazardous snow, sleet and freezing rain disrupted travel plans and caused power outages in the Mid-Atlantic region, as bitter cold set in.

All highways in northeastern Kansas were closed on Sunday evening, bringing traffic to a standstill in some parts.

After twists and turns, a contentious plan meant to reduce traffic and pay for transit improvements is scheduled to take effect at midnight Sunday.