1998
The earliest physical model (1/4 scale) on show at the Oxo Tower,
South Bank, London. It was intended to be a pedal/electric hybrid.
1999

Interlaken, Switzerland for the European Velomobile Symposium - the
first full size working prototype. Battery electric with pedal assist.
2000


Outside the Tate Britain, London. Modified vehicle from 1999 version.
2001
The
first prototype was reworked with a new, lighter, moulded carbon sub-frame,
and a single motor geared up and driven through a differential shaft.
2002
Hydrogen fuel cell electric version based on the design of the battery
electric version, by now called the H3. Won DTI Smart Award.
2003
H3 exhibited at Grove Fuel Cell Symposium.
2004
Microcab at the Guildhall, London to celebrate 50 years of
the Smokeless Zone; was shown at the United Nations 2nd World Urban
Forum, Barcelona, and nominated for the Lord Stafford Awards.
2005
Lord Sainsbury visited Microcab at Coventry University -
see the photos.
2005
Michael Palin at the wheel of Microcab at the Environmentally Friendly
Vehicles Conference.
2005

First outing of the H4, all new design with fuel cell electric drive.
Shown alongside the fuel cell London bus at Grove 2005.