CAR FUEL EFFICIENCY & ALTERNATIVE ENERGY

Showing posts with label Efficiency Regiments. Show all posts
Showing posts with label Efficiency Regiments. Show all posts

Sunday, March 11, 2007

To Live and To Learn



Its now been 4 months since I started blogging on the subject. A subject that I had researched little into and one with many technical scores. Yet an exciting debate raged and I found myself mindful of the discussion and for ways to improve the efficiency of my own energy consumption. So I picked up on some know-how and with a little bit of common sense went on to start blogging. I also did it to learn about the subject and network with others on it in the hope of picking up some knowledge for myself. And in some ways it has. Well, I was stupid and ignorant enough to sense that shifting into a non-fossil fuel source somehow causes an improvement of resource efficiency. As I saw electric hybrid cars breaking out into the market it gave me the impression that the electric-hybrid version of a car is actually doing more out of the same energy input than its non HEV version. I bought into it. Others did too. Some went out and bought HEVs thinking that. The naked truth is that while there will always be invention and innovation some truths will never change. And one of those truth is that energy can neither be created nor destroyed, it can only be converted or shifted. If your HEV has a nickel hydrite battery then process and resources were expended to put that equipment into your HEV. Hence, unless all the processes and resources can be quantifyed and put into the equation, only then can you size it up and see if your HEV's car battery is producing any real return in terms of efficiency. Given the law of physics I just mentioned it probably is not. Still, such vehicles will gain popularity. Because they suggest efficiency. They support it. And they bring cause and struggle to the domain. Do they have any real value? I believe they do. They will certainly have value in convenience. Less trips to the gas station. Reduced dependence on gasoline. And perhaps even enhanced performance at the lower $ market levels. And the advent of new ways and technologies that breaks out of the mundane. Still, it is important to keep some sight of the fundamentals and principals and not get totally duped by marketing campaigns.

Some fallacies are beautifully crafted. You almost cannot blame anyone for falling into them. The jolly old joker would even argue that you would want to fall into it. One such farcical drollery that I picked up a long time ago is when car salesmen tell you that you can give up the 'cash back' option on a car's purchase price for the 0% financing. But its not 0%. The cash back that you just gave up is the interest. Its added upfront. But its sooooo good that flocks will fall to it till the end of time. Perhaps the one that bothers me the most is the one that accountants perhpas unwittingly sell all the time. In a pre-dinner discussion at a friend's house in north LA last year I watched in horror as one of the guests pounded on the merits of interest only mortgage loans and their whopping benefit in tax deductions. That as a result he was paying far less taxes and just laughing to the bank. Which bank is that? You couldn't convince him otherwise. Especially now that he had bought the loan. The truth is that the only way you get a tax deduction outside of statutes is through expenditure. For this particularly wise man-of-the-world he was only getting a deduction for what he paid out in interest. Just because you got a bigger refund check means nothing. You paid for that refund. Well over.

Anyways, you get the gist. You wanna be green. Stop the car. And walk..........

Saturday, December 30, 2006

To 2007 - The Road Ahead (and GSD)




This is my 20th and last blog entry of 2006 after a late start to fairly serious blogging a couple of months ago. As the year draws to a close there is a tremendous feeling of a world of accomplishment in car energy innovation and yet an equally powerful sense of the amount of work that needs to be done. No doubt, the world has taken to the pursuit and there is no looking back. The future is intriguing and bright. If there is one element that promises to be on most watch lists its the burgeoning buzz of ultra capacitors. A technology that seeks to improve the power of Nickel Metal Hydride batteries (most utilized in today's electric hybrids) many fold while reducing charge time.

As I take account of the task ahead I need to look no further than myself. When I launched myself into measure and action, I started to track my miles and gas consumption. After a measly 8 trips to review (i know that's not nearly anything) I still got a sense of the level of consumption that I find myself anchored in and the truism that lies there in when people call it a 'gas guzzling' habit. Anyone who has been benevolent enough to discover some of what americasmpg.com is about would know that we have propagated the measure of actual gas consumption along with MPG as an anchor to the responsibility of efficiency.
In 2006, my worst trip showed that I devoured 4.7 gallons of gas per day and the best one was 0.94 gallons per day. I'm glad I ended the year with an overall average below 3 gallons a day. But, to think of it. Consuming 2.85 gallons every day. $7.60 per day. $2,800 for the year. And that's off just one car. I suspect this to be higher than the national average as it comes from a city with a token structure and no culture of public transportation. However, with great problems come great opportunities. And if consumption drops 0.5 gallons per day then that's an incentive of $500 a year right there. Or one car payment plus insurance for most of us. I think 2.35 gallons per car per day would be a good target for me in 2007. On the MPG side, guess what (I had no idea this would happen), but my worst trip in terms of consumption or GSD (Gallons Spend Daily) turned out to be the best in MPG. Not surprising at all. A few hours on the freeway and that's all it takes. The best trip in GSD turned out to be the worst in MPG. Now, that was surprising. Doesn't have to be that way. Just a co-incidence. I must have known that I was sooooo kicking butt in GSD that I started flooring the gas pedal off stops whenever I could. And why not? I deserved it! This does not mean that MPG is defunct as a measure. MPG is how the carmaker works on efficiency. GSD is how the driver does. And while GSD will have limits - one can pretty much exhaust efficiency enhancement after several trips - MPG efficiency will continue to grow with new technology in exciting ways.

After some feedback from friends and one or two of you I have worked some enhancements into the tracking which will now capture a 3 month rolling average and an overall average of how many gallons are being consumed every day (the GSD). Here are links to the page on regiments as well as the tracking sheet and my own sheet:

Regiments page
My tracking spreadsheet
Oh, I also added a provision for if you decide to change cars you can just note the new car and on which trip the tracking switches over to the new car.
A very very happy, prosperous and less gaseous new year to you ALL !!! I know I need it.

Sunday, December 3, 2006

The Real Measure (not MPG)


Though the MPG efficiency-measure sits crowning in our visions, perceptions and naming of my website, its not the merit it is cropped up to be. Underneath and hidden, as is often the case, lies the truth. When I first started to track my car's mileage about a year ago I first realized that I would need to figure out that magical surface and environment that causes the 20/29 mpg figures to materialize. My trips were averaging out between 16/22 mpg. But the good thing was that it wasn't that important. I could chalk up an attractive MPG number while pillaging the earth by burning through 16 gallons of petrol in 6 hours. So I knew that I needed something else as a measure. Something that showed me how good or bad a boy I'd really been. And, as luck would have it, I came up with DGS (Daily Gallons Spent). Simply, the volume of fuel you spend in between trips to the pump divided by the number of days in between the trips to the pump. After adding another couple of columns to the Excel spreadsheet I was able to see the actual levels of fuel I was consuming.

And it is with deep pride that I announce that I clocked my best DGS to date on 11/30/06 coming out to 0.97. Under one gallon of fuel per day. DGS measures opposite to MPG. Less is more. I was compelled to do it as I shamefully had been spending 3 - 4 gallons per day previously. Some tailwinds were there no doubt but I had to force my attention to regiments like car pooling when I could, consolidating trips and keeping a light foot on the pedal. While many cars now can report trip MPGs and total overall MPG this doesn't carry much meaning to it and while its probable that these do help the cause its hardly the crux of the matter. Overall, we have to look at MPG because its the only way to measure on a large scale. A car manufacturer has no idea of your driving appetite or habits.

I have now started posting my spreadsheet to my website so you can see how my trips are coming out and also how far removed the official MPG stats are from what we are able to manage in our cities and freeways. Here's a link to the sheet.....
www.americasmpg.com/My_FST.xls