
The concept hypersonic jet has been developed by Reaction Engine and it is aptly called the A2. It is a Mach-5 (3,400 mph) wicked aircraft capable of holding 300 passengers and produces, get this, ZERO carbon emissions!

The concept hypersonic jet has been developed by Reaction Engine and it is aptly called the A2. It is a Mach-5 (3,400 mph) wicked aircraft capable of holding 300 passengers and produces, get this, ZERO carbon emissions!