---
title: Fuel efficiency
framework: appintents
role: collectionGroup
role_heading: API Collection
path: appintents/intentparameter-measurements-fuel-efficiency
---

# Fuel efficiency

Configure the details for parameter variables that contain fuel efficiency values.

## Topics

### Creating an intent parameter

- [init(title:description:defaultValue:defaultUnit:defaultUnitAdjustForLocale:supportsNegativeNumbers:requestValueDialog:inputConnectionBehavior:)](appintents/intentparameter/init(title:description:defaultvalue:defaultunit:defaultunitadjustforlocale:supportsnegativenumbers:requestvaluedialog:inputconnectionbehavior:)-77uev.md)
- [init(title:description:defaultValue:defaultUnit:defaultUnitAdjustForLocale:supportsNegativeNumbers:requestValueDialog:inputConnectionBehavior:resolvers:)](appintents/intentparameter/init(title:description:defaultvalue:defaultunit:defaultunitadjustforlocale:supportsnegativenumbers:requestvaluedialog:inputconnectionbehavior:resolvers:)-73a7m.md)
- [init(title:description:defaultValue:unit:unitAdjustForLocale:supportsNegativeNumbers:requestValueDialog:inputConnectionBehavior:)](appintents/intentparameter/init(title:description:defaultvalue:unit:unitadjustforlocale:supportsnegativenumbers:requestvaluedialog:inputconnectionbehavior:)-377af.md)
- [init(title:description:defaultValue:unit:unitAdjustForLocale:supportsNegativeNumbers:requestValueDialog:inputConnectionBehavior:resolvers:)](appintents/intentparameter/init(title:description:defaultvalue:unit:unitadjustforlocale:supportsnegativenumbers:requestvaluedialog:inputconnectionbehavior:resolvers:)-3uzkv.md)
- [init(title:description:requestValueDialog:inputConnectionBehavior:optionsProvider:)](appintents/intentparameter/init(title:description:requestvaluedialog:inputconnectionbehavior:optionsprovider:)-23z3f.md)
- [init(title:description:requestValueDialog:inputConnectionBehavior:resolvers:optionsProvider:)](appintents/intentparameter/init(title:description:requestvaluedialog:inputconnectionbehavior:resolvers:optionsprovider:)-7fcqo.md)

### Accessing unit details

- [unit](appintents/intentparameter/unit-3ek73.md)
- [IntentParameter.FuelEfficiency](appintents/intentparameter/fuelefficiency.md)
- [defaultUnit](appintents/intentparameter/defaultunit-2u2qw.md)
- [supportsNegativeNumbers](appintents/intentparameter/supportsnegativenumbers-6wblf.md)
- [unitAdjustForLocale](appintents/intentparameter/unitadjustforlocale-322mt.md)

## See Also

### Creating an intent parameter for measurements

- [Acceleration](appintents/intentparameter-measurements-acceleration.md)
- [Angles](appintents/intentparameter-measurements-angle.md)
- [Area](appintents/intentparameter-measurements-area.md)
- [Concentration mass](appintents/intentparameter-measurements-concentration-mass.md)
- [Dispersion](appintents/intentparameter-measurements-dispersion.md)
- [Durations](appintents/intentparameter-measurements-duration.md)
- [Electric charge](appintents/intentparameter-measurements-electric-charge.md)
- [Electric current](appintents/intentparameter-measurements-electric-current.md)
- [Electric potential difference](appintents/intentparameter-measurements-electric-difference.md)
- [Electric resistance](appintents/intentparameter-measurements-electric-resistance.md)
- [Energy](appintents/intentparameter-measurements-energy.md)
- [Frequency](appintents/intentparameter-measurements-frequency.md)
- [Illuminance](appintents/intentparameter-measurements-illuminance.md)
- [Information storage](appintents/intentparameter-measurements-information-storage.md)
- [Length](appintents/intentparameter-measurements-length.md)