Engine supplier Yanmar will show a full range of California Air Resources Board (CARB) certified engines at Bauma. The company claims to be the first engine manufacturer to achieve the CARB accreditation across its complete line-up in the 19-56kW (25-75hp) range, and the engines all meet the US Tier 4 Final standard too. The firm will also announce an electronic diagnostic service system called Smart Assist-Direct. The system allows rapid updates of engine software and can automatically retrieve technical s