Hints and tips:
...Edinburgh Polymath 1,020: Abizer Nasir, London Crossword 16,152: Roger Clews, London; Vivienne Blackwell, Kent; Jenni Humphreys, Dorset Polymath 1,019: Robin Ratchford, Belgium Crossword 16,146: Lela Lee...
...Zoom: The Global Race to Fuel the Car of the Future By Iain Carson and Vijay V....
International Edition