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[F1ANNEX IV U.K. RULES FOR CALCULATING LIFE CYCLE GREENHOUSE EMISSIONS FROM BIOFUELS

E. Estimated disaggregated default values for future biofuels that were not on the market or were only on the market in negligible quantities in January 2008 U.K.

Disaggregated values for cultivation: e ec as defined in Part C of this Annex U.K.

Biofuel production pathway Typical greenhouse gas missions (gCO 2eq /MJ) Default greenhouse gas emissions (gCO 2eq /MJ)
Wheat straw ethanol 3 3
Waste wood ethanol 1 1
Farmed wood ethanol 6 6
Waste wood Fischer-Tropsch diesel 1 1
Farmed wood Fischer-Tropsch diesel 4 4
Waste wood DME 1 1
Farmed wood DME 5 5
Waste wood methanol 1 1
Farmed wood methanol 5 5
The part from renewable sources of MTBE Equal to that of the methanol production pathway used

Disaggregated values for processing (including excess electricity): e p – e ee as defined in Part C of this Annex U.K.

Biofuel production pathway Typical greenhouse gas emissions (gCO 2eq /MJ) Default greenhouse gas emissions (gCO 2eq /MJ)
Wheat straw ethanol 5 7
Wood ethanol 12 17
Wood Fischer-Tropsch diesel 0 0
Wood DME 0 0
Wood methanol 0 0
The part from renewable sources of MTBE Equal to that of the methanol production pathway used

Disaggregated values for transport and distribution: e td as defined in Part C of this Annex U.K.

Biofuel production pathway Typical greenhouse gas emissions (gCO 2eq /MJ) Default greenhouse gas emissions (gCO 2eq /MJ)
Wheat straw ethanol 2 2
Waste wood ethanol 4 4
Farmed wood ethanol 2 2
Waste wood Fischer-Tropsch diesel 3 3
Farmed wood Fischer-Tropsch diesel 2 2
Waste wood DME 4 4
Farmed wood DME 2 2
Waste wood methanol 4 4
Farmed wood methanol 2 2
The part from renewable sources of MTBE Equal to that of the methanol production pathway used

Total for cultivation, processing, transport and distribution U.K.

Biofuel production pathway Typical greenhouse gas emissions (gCO 2eq /MJ) Default greenhouse gas emissions (gCO 2eq /MJ)
Wheat straw ethanol 11 13
Waste wood ethanol 17 22
Farmed wood ethanol 20 25
Waste wood Fischer-Tropsch diesel 4 4
Farmed wood Fischer-Tropsch diesel 6 6
Waste wood DME 5 5
Farmed wood DME 7 7
Waste wood methanol 5 5
Farmed wood methanol 7 7
The part from renewable sources of MTBE Equal to that of the methanol production pathway used]