CR4 - The Engineer's Place for News and Discussion®
Login | Register for Engineering Community (CR4)

Sponsored by:
Sustainable Engineering
See all Forum Threads

Section Forums

Sustainable Engineering

879 threads, 16817 comments (0 Viewing)

Nuclear to Electric Energy Conversion

10/30/2015 by Legolaz
Why is it not possible to convert nuclear energy directly to electricity? What limits conversion? Say, if you have no secondary system imployed, hi...
Pathfinder Tags: nuclear
Views: 368, Comments: 29
Last comment 11/02/2015 by SHOCKHISCAN

Land Use PM Emission Calculation

10/26/2015 by harryspark
hello can some one help me with an equation in calculation land use pm emission. thanks
Views: 170, Comments: 14
Last comment 10/27/2015 by Original_Macgyver
Go to this Forum

See all Blog Entries

Section Blogs

Alternative & Renewable Energy Blog

232 blog entries, 2433 comments (0 Viewing)

Novel Pitch Drive Lightens Loads

11/23/2015 by IHS Engineering360 eNewsletter
Add variable pitch to a gearbox, and you end up with a very heavy drive mechanism. Or maybe not. A Dallas inventor has developed a hub combining bear...
Views: 102, Comments: 0

This HORSE Breeds Renewable Energy

11/13/2015 by IHS Engineering360 eNewsletter
Why reinvent the wheel when you can reinvent the HORSE? The High-solids Organic-waste Recycling System with Electrical output, developed by Seattle,...
Views: 141, Comments: 0

Back to 'Basic' for Flow Battery

11/02/2015 by IHS Engineering360 eNewsletter
Unlike conventional batteries, flow batteries are easily scalable and adaptable for large-scale energy storage. But like their more commercial counte...
Views: 39, Comments: 0
Go to this Blog

E&E Exchange

78 blog entries, 964 comments (0 Viewing)

Daylight Savings: What Are We Saving?

11/11/2015 by HUSH
It's been a full week, but I just can't get used to the hour change since we fell back an hour back last Sunday. I fall asleep earlier at night. My...
Pathfinder Tags: benefits daylight savings energy efficiency sustainability
Views: 412, Comments: 62
Last comment 11/24/2015 by jhowdy

Getting Help For The World's Plastic Bag Addiction

10/15/2015 by Jonathan Fuller
I've never really developed an effective at-home workflow for my plastic grocery bags. It seems that no matter how many times I try to reinforce the...
Pathfinder Tags: plastic bag recycling waste
Views: 348, Comments: 28
Last comment 10/31/2015 by bluebelly

EPA's New Proposed Rule - A Brief Summary

09/25/2015 by cheme_wordsmithy
On August 31^st 2015, the Environmental Protection Agency (EPA) signed a proposed rule that will have a significant impact on the way hazardous waste...
Views: 212, Comments: 4
Last comment 10/14/2015 by Unredundant
Go to this Blog

Water & Wastewater Systems

42 blog entries, 424 comments (0 Viewing)

A Home for Sports — and Sewage

11/24/2015 by IHS Engineering360 eNewsletter
In Alexandria, VA, a new athletic field sits atop tanks that hold millions of gallons of sewage. According to The Washington Post, this is probably t...
Views: 28, Comments: 0

The Spread of Sustainable Water Management

10/20/2015 by IHS Engineering360 eNewsletter
When it comes to water use, more facilities are heeding the call to reduce, reuse, and recycle. Reasons for the move toward more sustainable water-ma...
Views: 57, Comments: 0

What the Clean Power Plan Means for Water

10/11/2015 by IHS Engineering360 eNewsletter
By 2030, the new Clean Power Plan unveiled by the U.S. Environmental Protection Agency aims to cut carbon dioxide emissions from power plants by more...
Views: 177, Comments: 5
Last comment 10/31/2015 by k.v.gopalakrishnan
Go to this Blog

Environmental Technology

118 blog entries, 1425 comments (0 Viewing)

Carbon Nanofibers Made from Atmospheric CO2

09/17/2015 by IHS Engineering360 eNewsletter
A novel approach to carbon capture skips the sequestration part of the equation - instead, atmospheric carbon dioxide is converted into carbon nanofi...
Views: 276, Comments: 7
Last comment 09/18/2015 by Legolaz

Engineering the Self-destruction of Electronic Waste

07/23/2015 by IHS Engineering360 eNewsletter
Here's an idea for reducing electronic waste streams: have the electronics self-destruct when no longer needed instead of lingering in landfills....
Views: 334, Comments: 9
Last comment 07/26/2015 by jack of all trades

You Waste, You Pay

07/14/2015 by Jonathan Fuller
I grew up with two brothers, one of whom carried a toddler-esque pickiness into adulthood. It's probably no surprise, then, that the word "wasteful...
Pathfinder Tags: california drought food waste food waste zero
Views: 325, Comments: 7
Last comment 07/18/2015 by tonyhemet
Go to this Blog

Other Blog Entries of Interest

IHS Introduces New PEV Index

07/27/2015 posted in Automotive Technology
by joekroog
The sails of electric vehicles have caught a warm breeze. The accelerating growth of this segment from special tax incentives, stricter regulations,...
Pathfinder Tags: automotive electric car electric vehicle IHS pev ...
Views: 341, Comments: 2
Last comment 07/30/2015 by Unredundant

Shale Gas, Tight Oil, Carbon Emissions and You

06/29/2013 posted in Common Purposes
by MillMatt
Methinks, yet again, there is change blowing in the wind. US President Barack Obama presented his plan for reducing carbon emissions to thwart clim...
Pathfinder Tags: carbon emissions Coal Fired Power Plants Economics Shale Gas Tight Oil
Views: 874, Comments: 21
Last comment 11/09/2015 by machia0705

Getting the Lead OUT!

05/05/2013 posted in Common Purposes
by MillMatt
There is U.S. federal legislation slated to take effect on January 4, 2014 that will improve drinking water quality once again. Such changes may happe...
Pathfinder Tags: ANSI 61 lead free lead in drinking water NSF 372 NSF 61
Views: 754, Comments: 40
Last comment 05/12/2013 by Anonymous Hero

And the Ground Beneath Our Feet, It Shifted

04/07/2013 posted in Common Purposes
by MillMatt
"Game On" is the title; "all in" is the message. The article is a LinkedIn posting made by Jeff Immelt, the now long-tenured chairman of venerable Gen...
Pathfinder Tags: Immelt industrial revolution Maker Movement Oklahoma Shale Gas ...
Views: 757, Comments: 7
Last comment 03/16/2014 by 129CBRider

Do Soy-Based Foams Put Ford in the Driver’s Seat?

03/07/2011 posted in Plastics & Resins Blog
by Steve Melito
In the summer of 1941, Henry Ford unveiled a plastic-bodied car that connected industry to agriculture. According to Lowell E. Overly, the former too...
Pathfinder Tags: car seats Henry Ford soy foam soy-based foams soybean car ...
Views: 348, Comments: 1
Last comment 08/15/2012 by lyn

Good Riddance, White Pages

11/18/2010 posted in TeknologikL
by Kaplin
Verizon has finally received the permission they have been asking for -- to halt production of the iconic White Pages in New York, Florida, and Penn...
Pathfinder Tags: Online Directory Phone Book Phone Lookup Verizon White Pages ...
Views: 597, Comments: 11
Last comment 11/23/2011 by 129CBRider