Sorry if this was covered before. I couldn't easily find any past threads on this.
I just realized starting with 2017 model year, there are changes in the way EPA requires manufacturers to measure fuel economy. In some cases this results in a few MPG drop compared to the same car in 2016.
This was announced over a year ago, so it's not really news. I just found out today. I'm slow.
Here is more detail:
https://iaspub.epa.gov/otaqpub/display_file.jsp?docid=34102&flag=1
http://www.autoblog.com/2015/02/23/epa-update-mpg-sticker-rule-2017-model-year-vehicles/
I just realized starting with 2017 model year, there are changes in the way EPA requires manufacturers to measure fuel economy. In some cases this results in a few MPG drop compared to the same car in 2016.
This was announced over a year ago, so it's not really news. I just found out today. I'm slow.
Here is more detail:
https://iaspub.epa.gov/otaqpub/display_file.jsp?docid=34102&flag=1
http://www.autoblog.com/2015/02/23/epa-update-mpg-sticker-rule-2017-model-year-vehicles/