Dieper – new technology for the reduction of sub 23 nm particles from diesel engines

The dieper consortium comprises professionals from key players in the light duty powertrain and vehicle manufacturing sectors. This excellent group of companies (among which 2 OEMs, a major engine manufacturer, and five major high end and large component and engineering services suppliers) and knowledge centres develops the knowhow, intellectual property rights and technical capabilities to adequately and cost-effectively produce cleaner, highly efficient Diesel powertrains and aftertreatment technologies for future class D and E passenger cars and light commercial vehicles (LCVs) up to 3,500 kg that  “go beyond Euro 6 limits under Real Driving conditions” (EU6 RDE).

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Concept of dieper

The dieper concept concerns a new generation of non-hybrid engines and short term developments. The project will address the optimal combination of innovative engine and robust after-treatment technologies as well as modelling and testing to improve the design and control capability. Special attention shall be given to the assessment and reduction of particle emissions below 23 nm, particularly for direct injection gasoline and diesel engines.


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dieper partner locations

dieper partner locations

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Facts & Figures

Diesel engines diesel efficiency improvement with particulates and emission reduction
Acronym: dieper
Duration: 36 months
Start date: 1 Oct 2016
Total budget: 8.64 M€
EC Funding: 7,21 M€

Partners about

"We are very proud to participate to dieper project and to collaborate with other partners for the development of the cleanest and most efficient engines for future passenger cars and light commercial vehicles...." Read more
Johnson Matthey
“The dieper programme aligns with our aims to develop optimised, robust and cost-effective aftertreatment technologies that perform to the best standards in the real world environment. We are proud to work with our consortium partners to further..." Read more...

"In the dieper  project, IVECO has been assigned the responsibility of base vehicle specifications and its interfaces with other subsystems..." Read more

"Being part of the dieper consortium is an exciting challenge for Continental. Our Powertrain division integrates innovative and efficient powertrain system solutions into vehicles of all categories..." Read more
During the last 10 years CMT-Motores Térmicos has participated in several EC funded projects, more than 50 projects with National public funding, and more than 200 private contracts..." Read more
The project dieper presents a promising approach to extend the knowledge about the troubleshooting towards lower emissions legislation. The reduction of fuel consumption..." Read more
The dieper project will allow Siemens PLM to increase its simulation tools capabilities to support automotive industry innovation for more sustainable future transportation. We’re proud to be part to such exceptional consortium.

Even though emission standards are becoming stricter and stricter in all parts of the world, there is still some work to do to restrain the effects of generally increasing traffic..." Read more

It is a pleasure working with professionals from key players in the light duty powertrain and vehicle manufacturing sectors. To work with this present..." Read more

Project Interactions

dieper will work closely with REWARD: 'REal World Advanced Technologies foR Diesel Engines’. This project started on 1 May 2015 (EC funding 10 MEuro). It´s main scope is on cost-effective, clean and highly efficient Diesel powertrains and aftertreatment technologies for future class B, C, D and E passenger cars. New technologies for friction/ wear reduction, exhaust aftertreatment and fuel-efficient 2-stroke and 4-stroke Diesel engine concepts are advanced to TRL 6 or TRL 7 and integrated in two demonstration vehicles.