@sh.add_function(dsp, outputs=['has_exhausted_gas_recirculation'])
def default_engine_has_exhausted_gas_recirculation(fuel_type):
"""
Returns the default engine has exhaust gas recirculation value [-].
:param fuel_type:
Fuel type (diesel, gasoline, LPG, NG, ethanol, methanol, biodiesel,
propane).
:type fuel_type: str
:return:
Does the engine have exhaust gas recirculation technology?
:rtype: bool
"""
return fuel_type in ('diesel', 'biodiesel')