If you think wireless charging is cool. You will be shocked to find out that the UK is making a highway that charges cars while driving. Many people do not want to get an electric car because of the limited amount of charging areas. This will help increase the popularity of electric cars and help the environment.
Here is an article explaining how the UK is making the highway:
http://money.cnn.com/2015/08/18/technology/uk-electric-cars-roads/index.html
This video explains the science behind the highway: https://www.youtube.com/watch?v=TfUEx4Vwyq

This relates to engineering because it took lots of electrical engineers to come up with a design for how the highway will work. It will also need many engineers to make the highway.