Even if empty, a semi-trailer weighs between 10,000 and 15,000 pounds, which is several times the Model Y’s rated 3,500-lbs towing capacity.

Pennsylvania limits the size of tractor trailers on the road, but soon the commonwealth could be forced to allow much larger trucks. Skip to content NOWCAST Pittsburgh's Action News 4 at 6:30pm Sunday ...

Even the big-rig trucks already ... tractor-trailer crashes resulting in fatalities, claiming it is unsafe for them to be on roads that were never designed to accommodate their size.

Filling a big rig's gas tank is equivalent to filling 18 mid-size cars. Long haul drivers average 100,000-110,000 miles per year. The cost of running one big rig could be more than $185,000 per year.

Big rigs make up just 10% of the vehicles ... Freightliner and Tesla are introducing electric tractor-trailer trucks, ... "The size of what this company could become is exactly what venture ...