fuel {fpp}

Fuel economy data on 2009 vehicles in the US.

Description

Fuel economy data taken from http://www.fueleconomy.gov/feg/advancedSearch.htm with search options

• Year: 2009

• Vehicle/Fuel: Regular Gasoline

• Transmission: Automatic

• Drive Type: FWD, RWD

• Cylinders: 3-5

Then GAS/E85 vehicles were removed.

Usage

data(fuel)

Format

fuel is a data frame with 134 observations on the following 8 variables.

Model

a factor indicating the model of each vehicle.

Cylinders

a numeric vector with the number of cylinders of each vehicle

Litres

a numeric vector with the engine size in litres.

Barrels

a numeric vector containing the energy impact score: an estimate of the average number of barrels of petroleum used per year.

City

a numeric vector with estimated city mpg

Highway

a numeric vector with estimated highway mpg

Cost

a numeric vector containing annual fuel cost in US$

Carbon

a numeric vector containing the carbon footprint: the car's average CO2 emissions in tons per year, along with the CO2 emitted in producing and distributing the fuel.

Source

http://www.fueleconomy.gov/feg/

Examples

data(fuel)