Real-world Efficacy of a Haptic Accelerator Pedal-based Eco-driving System. - David Oswald; Alexander Vu; Nigel Williams; Kanok Boriboonsomsin; Matthew J. Barth; Yoshinori Kunimura; Tomohiko Nagaya; Hiroki Yoshimatsu; Naoki Fukuoka (ITSC, 2021)