On August 26, 2016, Vice President Joe Biden announced a $2.45 billion federal loan package to pay for new Acela equipment, as well as upgrades to the NEC. The loans will finance 28 train-sets that will replace the existing fleet of twenty. This will allow for hourly New York-Boston service all day and half-hourly New York-Washington service at peak hours. The new trains will be called Avelia Liberty. They will have 30% greater seating capacity, active tilt technology and could operate at 186 miles per hour (299 km/h) if infrastructure improvements were completed to allow the higher speeds. The trains will be built by Alstom in Hornell and Rochester, New York. The new trains will be phased in between 2021 and 2022, after which the current fleet is to be retired. Amtrak will pay off the loans from increased NEC passenger revenue.
Acela Express trainsets will feature: