Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News Editorials & Other Articles General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

Environment & Energy

(21,044 posts)

2. 76 days from San Francisco to Boston

Fri Jun 28, 2013, 05:03 PM

Jun 2013

by Northern Light in 1853

Tanker with conventional sails

Solar "sails"

sky sail

Edit history

Please sign in to view edit histories.

0 members have recommended this reply (displayed in chronological order):

14 replies

= new reply since forum marked as read

Highlight:

The Future of Solar and Wind Powered Shipping [View all] OKIsItJustMe Jun 2013 OP

There is no future in solar- and wind- powered shipping. wtmusic Jun 2013 #1

76 days from San Francisco to Boston pscot Jun 2013 #2

I like the solar sail tanker, but ....... oldhippie Jun 2013 #3

I may be wrong but� OKIsItJustMe Jun 2013 #4

But why take on the weight and cost penalty ..... oldhippie Jun 2013 #10

I find it difficult to imagine the equation works out that badly OKIsItJustMe Jun 2013 #14

That's a metaphor for the whole renewable vs fossil fuels pscot Jun 2013 #5

People think we can maintain perpetual economic growth NickB79 Jun 2013 #6

I think you nailed it Not Sure Jun 2013 #7

That's all they hear from pscot Jun 2013 #8

Is about zip? Yo_Mama Jun 2013 #11

I wonder how long someone spent mocking up that stupid picture... wtmusic Jun 2013 #12

It was putting the word "cargo" in there Yo_Mama Jun 2013 #13