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Scania has become the first truck maker to reach the Euro 5 emissions limits without the need for SCR and AdBlue. "We have done what our competitors said was impossible," says Scania group vice-president of research and development Hasse Johansson. "Euro 5 without after-treatment." First to be offered in Euro 5 guise is the all-new 13-litre, six-cylinder engine. Initially, just the 440hp and 480hp versions will get the technology, but it will be gradually rolled out across the entire nine-  and 13-litre range over the coming year or so.

Scania has also confirmed that its V8s will definitely achieve Euro 5 with EGR, although remains tight-lipped as to whether or not this will happen prior to Euro 5 becoming mandatory in October 2009. Industry sources suggest Scania already has the engines running in test vehicles, but that they are suffering from cooling problems. Until it becomes available, operators wanting V8 power and Euro 5 will still be able to purchase the SCR version.

The new Euro 5 engines feature XPI, the common-rail injection system it developed jointly with Cummins. It uses extra-high injection pressures to reduce particulate matter. Although new Euro 5 EGR engines will be slightly less fuel efficient than the Euro 5 SCR engines they replace (none of which have found buyers in the UK yet), Scania says this is offset by the cost of AdBlue. Prices have yet to announced, but you can expect to pay a premium over Scania's current Euro 5 offerings.