Options to Reduce Greenhouse Gas Emissions from Road · PDF file02.10.2006 ·...
Transcript of Options to Reduce Greenhouse Gas Emissions from Road · PDF file02.10.2006 ·...
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International Symposium on Near-Term Solutions for Climate Change Mitigation in California;March 5-7, 2007
Axel FriedrichUmweltbundesamt (UBA)
Germany
Options to Reduce Greenhouse Gas Emissions from Road Transport
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HydrogenThere is no hydrogen in sufficient quantityAvailable now and it will no hydrogen in thenext 30 years produced from renewablesources.Hydrogen is used only as a deflection fromthe need to reduce climate gas emissions now.If 10% of the today gasoline consumptionwould be available as hydrogen energy itcould easily used to improve gasoline
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Bio FuelsOnly the 2nd generation bio fuels (BTL, cellulose ethanol) offer a sustainable solution.The bio fuels today used compete with food production, nature conservation and bio diversity goals.
There is a urgent need to develop a certification scheme for bio fuels.The UBA is working in cooperation with ICCT onsuch a scheme.
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DROS (2004)
Predicted Conversion of Natural Land into Agriculture Land for the Cultivation of Soya Beans in South America (2004-2020)
Predicted Conversion of Natural Land into Agriculture Land for the Cultivation of Soya Beans in South America (2004-2020)
ca. 20 Mio. ha
Dry Forest
Costal Forest
Rain Forest
Wetland Savannas
Bush Savannas
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Primary Energy Use of conv. Agriculture and Eco Farming
conv.
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Climate Gas Emissions of conv. Agriculture and Ecological Farming
Conv.
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Agricultural Alternatives
1 ha wheat
today
intensiveFieldcultivation
Set aside
0.66 ha0.66 ha
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1 ha
Wheat
Extensive Agriculture
1 ha
Alternative:
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set-aside
Wheatintensive
rape-seed Wheat
intensive
poplar
WheatintensiveWheat
extensive
Different Alternatives of Land Use
+ diesel- fuel oil
+ diesel
+ diesel
RME+ resulting fuel options (quantity corresponding to RME on 1/3 ha)
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Agricultural Alternatives
Different set aside options
Set
aside
Wheatintensiv
Rape
Wheatintensive
Wheatextensiv
3097 2326 [ifeu 2000]Green house gaseskg CO2-
equiv./ha
+Diesel RME
+ Biotopes/species protection
+ many other advantages
– intensive agriculture
+ Ressource/climate
1449+Diesel
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set-aside
Wheatintensive
rape-seed Wheat
intensive
poplar
WheatintensiveWheat
extensive + diesel- fuel oil
+ diesel
+ diesel
RMEReference
< 100
GHG-Reduction Costs[€/t CO2Eq.]
~ 0
> 250
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CO2 Emissionen in Germany1990 to 2005
0
50
100
150
200
1990 1992 1994 1996 1998 2000 2002 2004
•Di
rect
CO •2
•-E
miss
ions
(Mio
. t)
• other transport• Air transport• Road passenger Transport• Road good Transport
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Lubrication Oil
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Fuel Saving Test according to the AUDI-TestProcedure
Castrol Formula SLX 0W-30 compared to SAE 15W-40
• 16
• 12
• 7
• 16
• 12
• 7
• 0
• 5
• 10
• 15
• 20
• 25•
Kraftstoffv
Fuel saving4,04%
• 7.05% • 3.96% • 2.04%
• Phase 1 • Phase 2
• 390 sec. / 2.026m
• Phase 3
• 390 sec. / 2.026m • 400 sec. / 6.955m
• 17
• 12
• 7
• 18
• 12
• 7
• 0
• 5
• 10
• 15
• 20
• 25
•K
raftstoffv
• Einzelergebnisse: • Einzelergebnisse:• SAE 15W-40 • FORMULA SLX 0W-30
• 1. Lauf • 2. Lauf • 1. Lauf • 2. Lauf
• Testbedingungen:• Audi A4 1.8 5V Turbo• MVEG III - Fahrzyklus (Rollenprüfstand)• Testtemperatur -7°C
• 7,05 %• 3,96 %• 2,04 %
• Mittlere Kraftstoff-• einsparung:
• Total: 4,04 %
•Phase 1
•Phase 2
•Phase 3
•Phase 1
•Phase 2
•Phase 3
•Phase 1
•Phase 2
•Phase 3
•Phase 1
•Phase 2
•Phase 3
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012345678% Fuel Saving
Audi 122BMW 95Citroen 47
Daihatsu 10Fiat 66Ford 124
Honda 64Hyundai 23Mazda 73
Mercedes Benz 229Mitsubishi 61Nissan 91
Opel 264Peugeot 92Renault 78
Rover 13Saab 13Seat 35
Toyota 75Volvo 19VW 430
Customer Field Test2116 Cars
Overall saving 5.54%
PCPC--PrivatPrivat CustumerCustumer Test Test (2116 (2116 VehiclesVehicles))
withwith CastrolCastrol SLX 0WSLX 0W--3030
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Test Procedure„ Twin Test“• Two idendical vehicles drive
together in a coordinateddriving manner at 3 days 2-4 times the same round.
• Fuel consumptionmeasurement with separate extra-tanks and balance
• First day (reference) withsame lube oil in both vehicles
• On the second day onevehicle changes to lowfriction lube oil;
• On the third day second vehicle change also to lowfriction oil
Low Low frictionfriction oiloilA/BA/B
ReferenzReferenz--HDVHDV
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TwinTwin Test EvaluationTest Evaluation((ViscoVisco 7000 5W7000 5W--40 und 40 und EnergearEnergear SGX in SGX in
comparisoncomparison to Mineral to Mineral LubeLube Oil)Oil)
Verbrauch (l) pro Testrunde
Test to Ref: +1,2 % - 2,6 % - 4,1 %Lube Oil influence: - 3,8 % - 5,3 %
4,24,34,44,54,64,74,84,9
55,15,2
1A 1B 1C 1D 2A 2B 2C 2D 3A 3B 3C 3D
ReferenceTest
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Source: BP Frontiers magazine, August 2005
HDV; Trucks and Busses
4% improvement
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Tires
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Potential of Fuel Saving by low rolling Resistance Tires
30% reduction of the rolling resistance reduces the fuel consumption :
city driving: 4- 6%extra urban driving ( 70 to 89 km/h ) 3- 5%autobahn driving ( 120 km/h ): 2- 3%
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Source:Tires and Passenger Vehicle Fuel EconomyT R B S P E C I A L R E P O R T 2 8 6,2006;
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Rolling resistance of truck tires will typically vary from 4.5 lbs/1000 lbs to 8.0 lbs/1000lbs.
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Improvement of Fuel Consumption
6.0
6.2
6.4
6.6
6.8
7.0
7.2
7.4
7.6
7.8
8.0
NEDC Autobahn
fuel
con
sum
ptio
n [l/
100k
m]
225/45 R17 91W, 3.0 bar225/45 R17 91W, 2.5 bar205/55 R16 91H, 3.0 bar205/55 R16 91H, 2.5 bar
It isn’t only rolling resistance but also wind resistance by wider tires
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Driver Training
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Fuel economy and CO2 reduction potential
Source:Martin Kroon
• ECO-DRIVING advanced training• Up to 25% individual fuel savings potential• 5-10% savings on average in practice
• ECO-DRIVING.... HOW?• Less engine speed: gear change at 2000 – 2500 RPM
[cars]• Less vehicle dynamics (acceleration/ deceleration/
speeding/ overtaking/ aggression: anticipation) • less idling and cold start short trips, tyre pressure up• CAPACITY >>Training, communication, in-car devices
(on-board computer, cruise control, RPM, MDD, GSI)• EU 15 reduction estimates: • 10% fuel costs = 25 billion litres / Euro = >50 Mton CO2
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In-car devices
Feedback unit
Source:Martin Kroon
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Toyota Launching “ECO” Drive IndicatorPosted on: October 2nd, 2006
Toyota is introducing a new feature in its Japanese market automatic vehicles called “Eco Drive Indicator” which alerts the driver when they are driving the vehicle in an ecological manner. The “Eco Drive Indicator” feature turns on a dash mounted display showing the driver is driving the car efficiently by monitoring speed, acceleration and engine/transmission efficiency. Research shows that the “Eco Drive Indicator” will allow for a four percent increase in fuel economy in the vehiclesequipped with the feature.
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Simple Solutions
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Consumption benefit with start-stop operation
0
1
2
3
4
5
6
7
8
9
10
total cycle urban section
cons
umpt
ion
bene
fit[%
] NEDCAachen cycle
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Insulation for cooling vansBetter insulation for less CO2 emissionTwin seal concept for rear & sliding doors.
Adjustable extra seals reduce the penetration of energy (heat) into the load area
• Molded, CAD designed PU panels in the combination of vacuum panels are reducing the K-factor to world record value of 0.27 w/m² K in comparison to regular insulation, which is about 1.0 w/m² K *
• Reduces operation time of cooling unit with the reduction of energy consumption less fuel less CO2!
* K-factor: heat transfer coefficient !
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Electric driven cooling units for cooling vans
Electric driven compressor runs cooling unit always with the highest possible performance regardless engine speed. No performance in idle speed (cities) no energy waste on highways with high engine speed.
Reduction of fuel consumption (CO2 reduction), also due to aerodynamic design
Refrigerant volume is very small (only 800 gr.); Should be CO2 in the future
Working cooling unit in parking position without vehicle engine is running (in the battery capacity limit) no pollutant!
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Change of Modal Splits• Transfer of 5% of PC city trips to public transport • 30% of all trips shorter than 5 km to bicycle reduces
the CO2 emissions by 3-4 Mill. t.• To achieve this goal it is needed to implement a
number of single measures. These are e.g. improvement of the infrastructure, a customer related service of the public transport companies, reduction of restrictions of to enter the system and the creation of a bicycle culture like in Netherland.
Overall it is expected that the measures for the change of modal split reducesthe CO2 emissions by 15 Mill. t/a.
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Modal Split in California
Flight SFO-Sacramento- SFO : 100kg CO2
Drive SFO-Sacramento- SFO : 50 kg CO2
Bus SFO- Sacramento- SFO : 15 kg CO2
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Transport
• To avoid transport it is required to keep compact low traffic settlement structures following the concept „City of the short trips“ .
• To promote regional production and distribution structures.
• An improved integration of transport and settlement planning within the city institutions is required.
Avoidance of Transport
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Integrated Approach
No fast startsShift up soonerNo stops at red lights
The presidents wants to save 20% fuel!
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Photovoltaic Cells
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Influence of different Parameters to CO2 Emissions
150
200
250
300
350
400
450
500
UDC EUDC total
CO
2 [g
/km
]
Battery 30 % charged
Hot start with air condition
untrained driver
cold start EU
29 °C start temperature
Optimimized gear shift
Hot start with air condition
Best Case (29°C lube oil temp., fullycharged battery, opt.gear shift)
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A small photo voltaic cell can be used to recharge the battery if the car is parked and can also supply the electricity to ventilate the parked car.Two luxury models on the market are equipped with such a device.