http://www.fuelly.com/forum/ All things Fuelly. Tue, 21 May 2013 08:35:46 -0800 Tue, 21 May 2013 08:35:46 -0800 en-us http://blogs.law.harvard.edu/tech/rss 60 http://www.fuelly.com/forum/1228/Potential-feature-and-disagreement-on-presentation One of my favorite functions of Gas Cubby (iPhone app I have been using prior to joining Fuelly) is that I can assign a gas station to each fill-up, and then filter my fill-ups by that station and see my MPG from fill-ups from there.

When using this feature, I can get, over time, a picture of comparative MPG with different brands of gas. Costco gas is cheaper, but am I getting worse mileage there?

But that data is only valuable if I get a lot of it. Via crowdsourcing on Fuelly, though, we might get a much better picture much faster!

(I realize that there are challenges: how valid are the results? How consistent are the users? Is the population of drivers similar at Station A than at Station B?)

Given that context, then the MPG display on Fuelly is wrong. The site currently displays MPG for Fill-up X and associates it with Fill-up Y. The gas one gets is assigned to data from a different set of gas!

Illustrating:

Let's say I pull into the gas station to fill up. The odometer reads 1000 miles, and I buy 10 gallons of gas. Let's say that's my first-ever fillup, so Fuelly (correctly) doesn't calculate the MPG.

So I drive for 300 miles and I fill up again, this time 9 gallons. That's MPG of 33 and change. That 33 mpg came off of the gas I bought in the first 10-gallon tank. That MPG belongs to that gas. But on Fuelly it is displayed with the SECOND tank, because that's the moment of purchase.

My contention is it should be listed with the FIRST tank, because that's the gas that yielded that mileage.

On Fuelly, currently the first tank always shows no MPG. This other way, the LAST tank will always show no MPG (until the NEXT tank).

If you're not taking data about the gas itself (i.e. what brand or station), that may not be of much consequence. But perhaps you're taking notes on this stuff manually. I want the MPG to be assigned to the purchase of its source gas, and not the purchase of the NEXT gas.

I hope I've made what I'm asking clear. Hope you find this input helpful! Regardless, this is data that I'm really excited is crowdsourced. It really did inform my opinion when shopping for cars!]]> tag:fuelly.com/forum,2013:site.1228 Tue, 21 May 2013 08:35:46 -0800 lkalliance http://www.fuelly.com/forum/1227/Gas-Price-Gouging-in-Akron-Ohio ]]> tag:fuelly.com/forum,2013:site.1227 Sun, 19 May 2013 05:28:15 -0800 gcmsguru http://www.fuelly.com/forum/1226/Suggest-to-use-median-MPG-for-a-group-of-cars ]]> tag:fuelly.com/forum,2013:site.1226 Sat, 18 May 2013 04:29:03 -0800 qsxiang http://www.fuelly.com/forum/1225/Looks-like-the-price-you-entered-for-a-litre-of-gas-is-unrealistic ]]> tag:fuelly.com/forum,2013:site.1225 Thu, 09 May 2013 14:33:42 -0800 winstona http://www.fuelly.com/forum/1224/Is-there-a-way-to-report-suspected-erroneous-entries ]]> tag:fuelly.com/forum,2013:site.1224 Thu, 09 May 2013 13:00:23 -0800 Ed753 http://www.fuelly.com/forum/1223/great-mpg-for-a-92-geo-prizm i had no idea how awesome my 1992 geo prizm was, at first i thought it would get really bad mpg, but after driving soo awesome-like because im such a great fuel efficient driver, and i tallied up statistics very smart-like of myself i was able to get a very high mpg rating. YEAH SUCK IT!]]> tag:fuelly.com/forum,2013:site.1223 Thu, 09 May 2013 12:19:46 -0800 destraight http://www.fuelly.com/forum/1222/friendly-hypermiling-challenge-currently-running This challenge is open to any kind of vehicle (conventional, hybrid, electric).

As this is a beta, or pilot challenge for the platform, we'd love to have more folks involved and to get feedback on future directions for hypermiling challenges -- participating in the challenge is free!

some of our questions for you: what should the winning metric be? what would make appealing rewards or prizes? who would sponsor challenges? what's the best way to express the positive ecological and economic impacts that result from the challenge? and so forth]]> tag:fuelly.com/forum,2013:site.1222 Sun, 05 May 2013 15:26:01 -0800 vanann http://www.fuelly.com/forum/1221/Filter-cars-by-location ]]> tag:fuelly.com/forum,2013:site.1221 Thu, 02 May 2013 22:31:16 -0800 Danni http://www.fuelly.com/forum/1220/Filter-by-Imperial-vs-US-Gallons ]]> tag:fuelly.com/forum,2013:site.1220 Wed, 01 May 2013 13:55:22 -0800 bvz2000 http://www.fuelly.com/forum/1219/iOS-App-Crashing ]]> tag:fuelly.com/forum,2013:site.1219 Mon, 29 Apr 2013 07:48:05 -0800 CKnucks http://www.fuelly.com/forum/1218/programming-language I know the web side is java script.
You use jquery and ajax.
I know you have an apache server on the backend.
But what tool do you use for the layout? Plain old editor?
What is doing the data for the backend?

Just what to know what one of the great sites on the web is using.
thanks in advance.]]> tag:fuelly.com/forum,2013:site.1218 Mon, 29 Apr 2013 07:39:48 -0800 rsdavis9 http://www.fuelly.com/forum/1217/Integration-with-Google-Docs-or-IFTTTcom ]]> tag:fuelly.com/forum,2013:site.1217 Fri, 26 Apr 2013 10:24:46 -0800 plainclothes http://www.fuelly.com/forum/1216/Cost-of-driving ]]> tag:fuelly.com/forum,2013:site.1216 Thu, 25 Apr 2013 07:12:40 -0800 Griesel http://www.fuelly.com/forum/1215/New-user-confusion ]]> tag:fuelly.com/forum,2013:site.1215 Tue, 23 Apr 2013 07:42:46 -0800 nirurin http://www.fuelly.com/forum/1214/avg-mpg-calculation ]]> tag:fuelly.com/forum,2013:site.1214 Sun, 21 Apr 2013 09:41:42 -0800 rsdavis9 http://www.fuelly.com/forum/1213/First-fill-up-after-signing-up Should I type in the numbers that I have on first fuel up? Just put in whatever Miles I'm at when I fuel up and enter the gallons and price?]]> tag:fuelly.com/forum,2013:site.1213 Fri, 19 Apr 2013 04:43:32 -0800 nxtiak http://www.fuelly.com/forum/1212/Fuelly-SMS-app-for-Windows-Phone ]]> tag:fuelly.com/forum,2013:site.1212 Thu, 18 Apr 2013 20:54:15 -0800 northernlights20 http://www.fuelly.com/forum/1211/Ultragauge-or-not ]]> tag:fuelly.com/forum,2013:site.1211 Thu, 18 Apr 2013 19:33:41 -0800 dtwjr http://www.fuelly.com/forum/1210/Fuelly-has-1-major-flaw ]]> tag:fuelly.com/forum,2013:site.1210 Wed, 10 Apr 2013 13:25:46 -0800 Draigflag http://www.fuelly.com/forum/1209/Web-site-errors Java bean field access exception. An exception occurred while calling the get or the put function. FieldName is retryafter. Possible cause Rate limitation is not exceeded. The cause of this exception was that: java.lang.IllegalStateException: Rate limitation is not exceeded.
The error occurred on line 69.
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