I think with ships a good starting point would be making them burn cleaner fuel. The heavy oil they're currently burning on ocean trips isn't exactly the cleanest fuel around, having ships burn the gasoline we save from electric cars would already do a lot.
I think with ships a good starting point would be making them burn cleaner fuel. The heavy oil they're currently burning on ocean trips isn't exactly the cleanest fuel around, having ships burn the gasoline we save from electric cars would already do a lot.