A Massachusetts gas station owner fed up with what he considers attempts by oil companies to fleece customers with outrageously high prices at the pump has stopped selling gas as a protest.

Reynold Gladu, who has run Ren's Mobil Service in downtown Amherst for nearly 50 years, drained his tanks earlier this month and has no current plans to refill them.

"I don't want to be part of it anymore," Gladu told The Daily Hampshire Gazette for a story published Tuesday. "This is the biggest ripoff that ever has happened to people in my lifetime."

Gasoline in Massachusetts is averaging more than $5 per...