Scully and Mulder in “E.B.E.”

From the trucker's description, the shape he fired on could conceivably have been a mountain lion.

Conceivably.

The National Weather Service last night reported atmospheric conditions in this area that were possibly conducive to lightning.

Possibly.

It is feasible that the truck was struck by lightning, creating the electrical failure.

It's feasible.

And you know, there's a marsh over there. The lights the driver saw may have been swamp gas.

Swamp gas?

It's a natural phenonemon in which phospine and methane rising from decaying organic matter ignite, creating globes of blue flame.

Happens to me when I eat Dodger Dogs.