When looking to use an enclosed trailer on the highway you must use a clasping mechanism that will lock. This is due to the fact that without these locking mechanisms the door may fly open on the highway.
No.
The maximum allowable height for trucks or trailers is 13' 6".
That remains uncertain as of yet. For the time being, they've gotten out of the highway diesel market with the latest round of emissions regulations.
wyotech blows
In the State of Utah, exhaust and noise regulations are regulated by the Utah Highway Patrol. It must be the same in the Commonwealth of Pennsylvania. Call the Highway Patrol in your state; ask for a Safety Inspector. He or she will have all the answers you need.
they are not currently making high way engines
It is unlawful to operate on a highway any motor vehicle, trailer, or semi-trailer with metal tires except for certain farm trailers. A tire may not have on its periphery a block, cleats ,lugs, flanges, studs, spikes, or other protuberance of material other than rubber that project beyond the tread of the traction surface unless the protuberance does not damage the highway. ( This does not prevent the use of tire chains for safety.)
Chupas Miz wevos wyotech
Semi trailers hold 5000 gallons. One that held 6000 gallons would be too heavy to drive on the highway.
they are going to run tests on their engines and make the emissions law
Since regulations vary state to state, the best place to find car seat regulation information would be the National Highway Traffic Safety Administration's website, at www.nhtsa.gov/Safety/CPS. Here, you can find up to date recommendations and regulations for your specific state.
Shoot to Thrill and Highway to Hell were the two ACDC songs in Iron Man 2. Other ACDC songs were used in trailers but not included in the film.