North Wales AM, Llyr Gruffydd has called for a dedicated police unit to tackle speeding on the Conwy and Denbighshire border moorland roads.
The area has been popularised on social media but four people have died and 20 injured around the Llyn Brenig area.
New electric vehicle registration data shows that public appetite for plug-in vehicles continued to accelerate in the third quarter of 2017.
A total of 12,932 plug-in models were registered between July and September, a rise of 36% on the same period in 2016 and 721 units higher than the previous record quarter, January-March 2017.
