Toyota's big bet on hybrids is paying off in Europe, where customers are looking for an alternative to diesels. The automaker expects models with its gasoline-electric powertrain to account for half of all its sales in the region by 2020, up from 40 percent now. One way Toyota hopes to lure new customers to its hybrids is by making them more powerful. Toyota Europe CEO Johan van Zyl outlined the plan during an interview with Automotive News Europe Correspondent Andrea Malan.