Dutch trains become 100% wind-powered - https://www.theguardian.com/world/2017/jan/10/dutch-trains-100-percent-wind-powered-ns 'This is possible. We did it': the week Portugal ran on renewables - https://www.theguardian.com/news/2016/dec/26/this-is-possible-we-did-it-the-week-portugal-ran-on-renewables