The direct-injection fuel system is one of several propane-powered technologies PERC is showcasing at this year’s ACT Expo.

Tammy Romo; Chief Financial Officer, Executive Vice President; Southwest Airlines Co Whitney Eichinger; Senior Vice President, Chief Communications Officer; Southwest Airlines Co Ravi Shanker; Analyst ...

There are engine assemblers, and then there are engine builders. It's one thing to merely bolt a bunch of parts together. It’s quite another thing to carefully assemble machined components to precise ...