The vast majority of EMU services out of Leeds are the 333s and the occasional 331 that serve the Wharfedale and Airedale lines, to Bradford, Ilkley and Skipton. There's also the Leeds to Doncaster line, which uses 331s. Aside from that it's all diesels. 150s, 158s, 170s, 186s, 195s, Azumas...