When it comes to heavy ... oil which has API qualification, such as CK-4 or CJ-4, can be used in any application calling for that type of oil.” The myth about synthetic oils causing leaks ...

Howard Industries is back open on Monday after a fire on Friday. Laurel Fire Chief Leo Brown says the department was called to the building around 4:30 p.m. where there were reports of heavy smoke.

And it is released in remarkable volumes in the Texas oil fields through unintended leaks and when companies flare or vent gas to relieve gas build-up in the equipment. Kevin Birn, a vice ...