(October 7, 2020, 1:00 PM EDT) -- BOSTON — The First Circuit U.S. Court of Appeals on Oct. 2 vacated and remanded a lower federal court's ruling that the renter of an electric boom lift's insurance policy was excess above the rental company's own commercial general liability insurance policy, finding that the rental company had no other "valid and collectible" insurance (Scottsdale Insurance Company v. United Rentals [North America], Inc., Nos. 18-1588 and 18-1593, 1st Cir., 2020 U.S. App. LEXIS 31396)....