Found this article unexpectedly upon The Guardian, which claims that Peugeot has decided to take a different route in the Hybrid Automobile Sweepstakes by eschewing the traditional heavy battery system in favour of an as yet untraditional compressed air system instead.
And I’ve heard of “Air Cars” before, yet didn’t think any had made it to production for the masses, nor was I aware that ‘Mega Freight shipper UPS was utilizing its own hydraulic fluids version of the technology currently, while Peugeot’s system utilizes compressed nitrogen instead...