Milestones

1980s
Alcohol interlocks in use in Canada and the US.

1999
Sweden's first large-scale "field-test".

2002
Volvo Trucks offers an aftermarket alcohol interlock to its customers.

2003
The calibration service network is in place.

2003
Public opinion swings in favour of alcohol interlocks (Sweden).

2004
A cheaper alcohol interlock with a longer calibration interval is introduced.

2005
Volvo is the first truck manufacturer to offer a production-fitted alcohol interlock.

2006
Estimated Volvo Trucks sales around 1000 units.

2006
Volvo Trucks provides ferries to Sweden with alcohol breathalysing facilities at the Trucker's Corner.

2007
Volvo Group supports ETSC in "Safe & Sober" campaign, preventing drunk driving in commercial transport.