1. WEBINAR Cities’ experience with biofuels 14/01/2013 14.00-15.30 Gerhard Ablasser, City of Graz

2. Slide title Background & Objectives CIVITAS Webinar 00/00/2013 City of Graz – fact 265.000 inhabitants 121.000 employees 70.000 daily commuters 4 universities with 50.000 students area of 127 km² UNESCO World Heritage since 1999 Cultural Capital City of Europe in 2003 OSMOSE Award 2006 CIVITAS City of the year 2008

3. Slide title „From the frying-pan into the tank“

4. Slide title 1990 Start collection of used cooking oil from private households 1994 Starting of pilot project - Research work on Biodiesel from used cooking oil operation of 2 buses of the public transport service (GVB) 1999 Start collection of used cooking oil from restaurants 2003 EU Project CIVITAS / trendsetter operation of additional 54 buses with biodiesel 2005 100 % biodiesel public transport fleet (135 buses) 2005 EU Project KAPA / GS equipment with particle catalytic converters Ökodrive-Ecodrive - the project

5. Slide title Collection of used cooking oil private households more than 250 restaurants, hotels, snackbars... Öko-Service / Eco-Service

6. Slide title Good partnership: Company SEEG- company converting used cooking oil to biodiesel

7. Slide title Company BDI / with Technical University / Chemical Institute / Transport Company (GVB)

8. Slide title Good partnership: Graz Karl Franzens University Institute for Organic Chemistry Technical University Graz: Institute for Internal Combustion Engines and Thermodynamics

9. Slide title Good partnership: Public Transport Company Graz (GVB)

10. Slide title

11. Technical requirements & Results motor oil change every 30.000 km, but no special oil was needed no greater wear of the engine 5 – 8 % higher consumption combination with fossil diesel in winter biodiesel is cheaper ( depents on tax regulations ) scientific examination check of all assemblies supplied with biodiesel (heaters) exchange of fuel hoses certification from the engine manufacturer consent from the supplier of the injection pump

12. Slide title price of biodiesel fuel is lower - no mineral tax but: 5 - 8% higher consumption of biodiesel pioneer for environment protection ecological aspect interest in technical progress for better air quality image improvement of Public Transport Motives for GVB - public transport operator

13. Slide title Lessons learned I you need a very motivated team in all sectors of the partnership that is responsible for the running fleet high international interest about the experience of Graz but less followers in Austria using Biodiesel as a fuel made from waste material was the right step but only a step in the right direction The experience of Graz opened the way for blending biodiesel in a large scale

14. Slide title Lessons learned II no future for 100% biodiesel with new generations of engines, EURO VI but a way to do something positive with all older buses immediately problems with particulate catalytic converters; livetime of 2 – 3 years is not acceptable Problems with heating system can be solved with a dual tank system to not discuss – you must start to do it

15. Slide title The future in Graz Pilot with 4 CNG Mercedes since March 09 Hybrid bus test since spring 09 Electric bus test since February 2013 preparation of the future way – at the moment it seams to be CNG with a high focus on local produced biogas Using the experience of European projects and learning from European partners to find the right solution focus on other private and public fleets like taxies, public services, …

16. Slide title DI Gerhard Ablasser City of Graz The Executive Office for Urban Planning, Development and Constuction, European Programmes and International Cooperation Unit Europaplatz 20 / A 8011 Graz / Austria T +43 316 872 3580 F +43 316 872 3589 mail: gerhard.ablasser@stadt.graz.at Information : www.graz.atgerhard.ablasser@stadt.graz.atwww.graz.at Thank you for your attention