Hacker News new | past | comments | ask | show | jobs | submit | dwhabcdefg's submissions login

1. Wing-sails for container ships could reduce carbon and cost (whiteboardmag.com) 1 point by dwhabcdefg on July 12, 2017 | past

Join us for AI Startup School this June 16-17 in San Francisco! Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact Search: