2050 year when KLM and Delft University of Technology, NL aim to have a hybrid airplane could carry about 300 passengers more than 8,700 miles (14,000 km) without needing to refuel. Last Modified: 30-Sep-2015 10:20 PM 482 Posted by Yatin Dhareshwar in Engineering Tags Hybrid Airplane Advanced Hybrid Engine Aircraft Development KLM Delft University of Technology Source TIME Magazine, Image from the Telegraph, UK