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Honda's "Puyo" Concept...

by Honda Car De... on 11/21/08

Honda PUYO Concept Car Has
No Edges, Begs To Be
Fondled. This Concepts is...

India's Solar Power

by Ramesh on 11/21/08

I would like to install
solar lighting in my house.
Can anyone help me in th...

China's Coal-to-Liquids

by derickjeff on 11/20/08

Coal-to-Liquids -- that is,
the conversion of coal to
liquid transport fuels...

A Centrist Agenda for...

by Ed Ring on 11/19/08

A recent email received
posed seven questions
regarding 'A Centrist Agen...

Aptera-Wingless Flight

by meAgain on 11/19/08

I am # 29 on the e-list. I
wish I was on the h-list too
but will be satisfied wi...

Skyonic's CO2 into Sol...

by Hari Aparajith on 11/19/08

To add to my comment above,
the process will emit 2.2
tons of CO2 for every ton...

Ausra's Kimberlina Sol...

by fred on 11/18/08

Al Fin, Obviously you didn't
read the article
closely...the solar facili...

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Ed Ring,
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Daniela Muhawi,
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Today is Friday November 21, 2008

Can Forests Offset Automotive CO2?

Analysis & Commentary: "Auto Emissions & Forests"

(to calculate: click curser on, then off, yellow input cell)

How much CO2 will an automotive fleet emit per year?
		# cars
		miles driven per year per car
		kilometers driven per year per car
		average miles per gallon
		average kilometers per liter
		total gallons consumed per year
		total liters consumed per year
		total barrels consumed per year
		pounds CO2 per gallon gasoline
		kilograms CO2 per liter gasoline
		metric tons CO2 per year to offset

How much CO2 can a growing forest sequester each year?
		tons carbon per acre
		tons carbon per hectare
		growth period in years
		ratio of CO2 to carbon
		tons CO2 absorbed per year per acre
		tons CO2 absorbed per year per hectare

New forest area needed to offset automotive fleet emissions
		square miles to reforest
		square kilometers to reforest

How to use this calculator:

(1) It is sometimes necessary to click on one of the yellow input cells, then click somewhere else on the screen in order to prompt the interactive spreadsheet to calculate and display results.

(2) Yellow cells are input cells - you may enter your own assumptions in these cells.

(3) When you refresh the screen, the original default assumptions will reappear in the yellow input cells.

Interactive Calculators

Autos, Forests, & CO2
Suburban Sprawl & CO2
Gigawatts per E-Commuters
Desal Cost per Household
PV Roof per Elec. Car
Biofuel Land per City
Macro Energy Conversions
California's Deficit

Editor's Posts

Saving the Big Three

The fate of GM, Chrysler and Ford hang in the balance, with widely varying sentiments regarding what can be done, if anything...

Planet Metrics CIM Software

Earlier this month heralded the formal launch of "Carbon Information Management" (CIM) software from Planet Metrics, a Northe...

Ausra's Kimberlina Solar Thermal

Earlier this year, on October 27th, Ausra commissioned their first solar thermal pilot plant, a 5.0 megawatt facility located...

A Centrist Agenda for Obama

It is difficult to overstate the pride and the hope that accompanies the election of Barack Obama to the Presidency of the Un...

Global Solar Energy Update

With many millions - if not billions - around the world believing today's U.S. Presidential election could be the dawn of a ...

Editor-at-Large Posts

A Mammoth Project-Recreating the

Most of the world's caverns, rivers and boulders were carved out by glaciers hundreds of thousands of years ago. Massive ice ...

Solar Sailor-Winged Ships

With renewable energy sources like wind and solar constantly on hand, it is no wonder that everyone wants to harness this ene...

Cleaning Without Poison

Nobody likes a dirty workspace, but the chemicals splashed onto counters, mirrors and walls often leave a toxic residue that ...

The Dirt On Solar Panels

Solar panels have been the topic of thousands of articles over the past couple of years. It seems like everyone is going pro-...

Solio-Charge Anything Under the

Imagine trekking through the snow in one of the most remote places in the world. Wind whips around your whole body. Your fing...

Guest Editor Posts

Sundown for California

Twenty-five years ago, along with another young journalist, I coauthored a book called California, Inc. about our adopted hom...

Biologically Inspired Repair for

The drinking-water pipe network in the United States extends more than 700,000 miles -- four times the length of the national...

Mid-Level Ethanol Blends &

Mid-level ethanol blends such as E12, E15, E20 and even as high as E40 have garnered a lot of attention lately. Mainly becaus...

Smart Cleantech Catalysts

The problem for scientists and engineers has been that in order to tune a catalyst to do what is desired, you need to know ho...

Epic Correction Leads to

How epic has this correction been? The answer is worse than the 1987 programmatic crash (S&P -32%) but not as bad, to-dat...

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