expensive

The catalysts still require expensive chemical additives to work.

"Again, the Rwanda scheme was an expensive distraction," she told MPs.

This flexibility could allow for reduced electrical requirements for the heating system or load shifting to times when electricity is less expensive and/or cleaner.

Trying to treat the biosolids before disposal is a very expensive prospect, Scott said.

“Dr. Oz will be a leader in incentivizing Disease Prevention. He will also cut waste and fraud within our Country’s most expensive Government Agency.”