Asking the right questions:

Which manufacturer produces the most fuel efficient fleet of cars?

Considering UCcity be the measure of ‘fuel efficiency’,

  1. The best UCity vehicle poducer is Hyundai
  • Ioniq Electric- for cosecutive years 2017, 2018, 2019. All three models are EV Front-Wheel Drive vechicles.
##          make                         model    UCity year
## 31243 Hyundai                Ioniq Electric 224.8000 2017
## 32586 Hyundai                Ioniq Electric 224.8000 2018
## 33410 Hyundai                Ioniq Electric 224.8000 2019
## 25616   Scion                         iQ EV 197.5771 2013
## 27698     BMW                        i3 BEV 196.4000 2014
## 28588     BMW                        i3 BEV 196.4000 2015
## 29898     BMW                        i3 BEV 196.4000 2016
## 30766     BMW i3 BEV (60  Amp-hour battery) 196.4000 2017
## 32802   Tesla            Model 3 Long Range 195.0000 2018
## 25569   Honda                        Fit EV 188.4087 2013

  1. Top 10 best UCity vehicles include Tesla, Scion and BMW vehicles.
  2. Over the years, the UCity has seen dramatic increase in last decade. All vehicles boasting UCity greater than 100 are EV Rear-wheel Drives except Hyundai’s (the winner) Ioniq which is Front-wheel drive.
  3. Pre 2000s, Honda vehicles reported best UCity.
  4. Interestingly, top 10 best UCity vehicles are Automatic Transmission vehicles.
  5. Infact top 217 vehicles, w.r.t UCity, are EV vehicles. Which makes atvType an influential factor to determine UCity.