Let’s assume that critical mass for a current diesel-based truck in the competitive long-haul sleeper space is 10,000 units per year for one manufacturer.

In other cases, another member of the system will go on to form a second white dwarf. If gravitational instabilities bring these two objects together, then their collision will create a single object ...

The accident created a chain reaction of crashes, causing a Subaru to rear-end a 2005 Dodge Ram driven by Zachary Taylor, 31, of Searsmont. All three lanes southbound were shut down Friday night.

Four people are dead and two others are in critical condition after a chain-reaction crash involving 12 vehicles on an Arizona highway on Saturday afternoon, possibly caused by blowing dust, the ...