From 1 September 2015, all new cars, plus light commercial vehicles under 1305kg (unladen), sold in the EU must be compliant with EU6 standards for exhaust emissions. Unlike previous diesels, many EU6 compliant engines require an exhaust additive called AdBlue, which neutralises most of the harmful NOx emissions.

For some fleets the use of AdBlue is not new, buses and heavy goods vehicles have been using it for several years. But from September, AdBlue will become an important requirement for many diesel drivers – including company car and LCV drivers who may not previously have been aware of it.

Most new diesel cars which require AdBlue carry sufficient quantity to last between scheduled servicing intervals. However, due to the style of journeys that they make certain drivers and commercial vans will use up their vehicle’s AdBlue reserves more quickly, requiring the additive to be topped up regularly by drivers or depot staff.

Alphabet claims that whilst AdBlue itself is inexpensive, the misuse of it can result in problems which immobilise a vehicle and are costly to put right. In addition, failing to take action when an AdBlue warning appears will result in the vehicle breaking down or failing to start.

Alphabet have produced a management paper and driver guide on AdBlue with the aim of helping fleet managers and their drivers understand the requirements and avoid any potential pitfalls.

Like engine oil or washer fluid, Alphabet believes that drivers need to be familiar with how to top up their vehicle with AdBlue and make sure the fluid is put in the right place according to their vehicle handbook. Similarly drivers have a responsibility to keep an eye on any dashboard AdBlue warnings and take the appropriate corrective action in accordance with their employer’s vehicle policy – otherwise the vehicle will come to a halt or won’t start next time.

To download the Alphabet’s management briefing and driver guide on AdBlue, visit: https://www.alphabet.com/en-gb/driving-guidance