Fire crews battled a blaze that consumed two tractor trailers at the Kenworth truck business in Springfield Township, Bucks County.
Crews at the scene say the fire was called in by passing motorists on Route 309 at around 10:30 a.m. Sunday.
Crews at the scene say no injuries were reported. The cause of the fire is under investigation.
A resident of the neighboring nursing home says she and others there heard three loud explosions at the time of the fire.