Hannover, Germany (September 22, 2010) -

One of Cummins most comprehensive development projects is progressing well at the Darlington technical centre. The three-year Euro 6 project will deliver class-leading engine platforms that comply with the upcoming legislation, utilising the latest technologies for pollutant and CO2 reduction.

Versus Euro 5, Euro 6 sees particulate levels (PM) reduced by a further 50% and oxides of nitrogen (NOx) by 77% for Euro 6, bringing emissions from new truck and bus engines to near-zero levels. The legislation will come into effect in December 2013.

The project team are leading the design and development of all major engine and aftertreatment components, optimising these new systems for fuel efficiency and low emissions. In excess of 80,000 hours of engine testing will be completed in the state-of-the-art facility and more than 2 million road miles will be driven to refine and validate the technology.

Jonathan Atkinson, Chief Engineer at Cummins said: “We are committed to developing products that not only meet the challenging Euro 6 legislation but also deliver real value to our customers. The location and capability of our technical centre allows us to integrate even more closely with key UK and European-based vehicle manufacturers, helping Cummins and our vehicle partners maintain a strong market position.”

Neil Pattison, Director - Automotive Engine Business for Europe, Middle East and Africa said, “ We are seeing a number of important changes in the legislation for Euro 6 that need to be carefully considered in manufacturers’ strategies. These include new particulate emissions measurement, engine test cycle changes and more stringent vehicle in-service measurement of emissions. Although the top level numbers have been released, the EU is still to conclude the legislation. Until this is complete, engine manufacturers including Cummins will be unable to finalise their technology solutions. It is expected that legislation will be completed by mid 2011.” How particulate matter emissions are measured has been under review for some. Particulate matter consists of residual solid or liquid particle resulting from incomplete combustion. It normally includes carbon or “soot”, visible as black smoke plus unburned fuel and engine oil. To date they have been measured by weight in grammes per kilowatt per hour, but this will change to also include a more challenging particle count/number per kilowatt per hour that must be met in order to achieve engine certification.

To meet Euro 6, engines will be tested using different cycles, moving from the current European steady state and transient cycles to the World-wide Harmonised Test Cycles. The new cycles result in changes to the average engine speed and load, and the transient cycle will include cold start and soak periods between testing. This will have an influence on a number of factors including the aftertreatment strategies that will need to be adopted.

The EU plans to introduce portable emissions measurement systems for in-service vehicle testing. This is to ensure that they remain compliant under normal operating conditions during the useful life of the vehicle.

This in-service testing will be backed up by more stringent on board diagnostic (OBD) regulations, measuring exhaust emissions during vehicle operation. A threshold on particulate emissions will be included for the first time alongside tougher NOx and antitampering limits. These elements will be phased in over three years, from 2013 to 2015.

“To date Cummins has had significant success with over 300,000 SCR products in Europe and over 750,000 EGR products in North America. The industry expectation is that both technologies will be required for Euro 6, in line with the strategy adopted by the majority of manufacturers for EPA 2010 in the U.S and Canada. We will certainly learn from the testing and in-service experience gained, and adopt the features that are most applicable for our Euro 6 solution,” added Pattison.

Cummins Inc., a global power leader, is a corporation of complementary business units that design, manufacture, distribute and service engines and related technologies, including fuel systems, controls, air handling, filtration, emission solutions and electrical power generation systems.

Headquartered in Columbus, Indiana, (USA) Cummins serves customers in approximately 190 countries and territories through a network of more than 500 company-owned and independent distributor locations and approximately 5,200 dealer locations.  Cummins reported net income of $428 million on sales of $10.8 billion in 2009.