F1ANNEX XVIIISPECIFIC TECHNICAL REQUIREMENTS FOR DUAL-FUEL ENGINES AND VEHICLES

Annotations:
Appendix 1
Types of dual-fuel engines and vehicles - list of main operational requirements

GERWHTC

Idle on diesel

Warm-up on diesel

Operation on diesel solely

Operation in absence of gas

Comments

Type 1A

GERWHTC ≥ 90 %

NOT Allowed

Allowed only on service mode

Allowed only on service mode

Service mode

Type 1B

GERWHTC ≥ 90 %

Allowed only on Diesel mode

Allowed only on diesel mode

Allowed only on diesel & service modes

Diesel mode

Type 2A

10 % < GERWHTC < 90 %

Allowed

Allowed only on service mode

Allowed only on service mode

Service mode

GERWHTC ≥ 90 % allowed

Type 2B

10 % < GERWHTC < 90 %

Allowed

Allowed only on diesel mode

Allowed only on diesel & service modes

Diesel mode

GERWHTC ≥ 90 % allowed

Type 3A

NEITHER DEFINED NOR ALLOWED