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Posts Tagged ‘cars’

Hybrid Car Sales Trends

May 21st, 2009 rogupta View Comments

I was listening to the Forum on KQED (our local NPR affiliate) yesterday, and they started talking about gas prices and vehicle demand.  One of the guests on the show discussed consumer behavior, and how it changed as gas prices changed.  Specifically, she stated that compact and hybrid vehicle sales dropped with changes in gas prices – she was adamant about this.  So I looked around for some data and found the following post somewhat useful.

In the article, they claim hybrid sales dropped 45.5% in April 2009 (year-on-year, compared to April 2008).  Pretty shocking headline.  They even show the percentage of hybrid sales of total vehicle sales, but it’s quite useless.  So I took their hybrid data, and compiled it with two government sources, NIPA for auto sales, and EIA for gas prices.  Looking at the raw data, I can see how the KQED guest could look at hybrid sales and be quite disappointed at consumer behavior:

Hybrid Sales Compared to Gas Prices

Hybrid Sales Compared to Gas Prices

However, it’s critical to measure the percentage of hybrids COMPARED to auto sales.  That seems like common sense to me.  Here’s the graph:

Hybrid Percentage Compared to Gas Prices

Hybrid Percentage Compared to Gas Prices

The second graph paints a significantly different story.  Auto sales increased in early 2008 as gas prices began to increase, and then dropped as gas reached its peak.  Not sure what explains the drop in hybrid sales – though it could be an anomaly, or it could be that non-consumer sales persisted through the peak and most of these are non-hybrid sales.  Either way, it doesn’t seem like there’s a ton of correlation between the data.   We often hear about how consumers react to market conditions with immediacy – yet in this case, it’s just not true.

PS – if you’d like the raw data, please email, happy to send it over.

Update:  Thanks to a coworkers suggestion, I derived the correlation coefficient between the two graphs.  For the entire period, the correlation between the percentage of hybrid sales compared to gas prices is .64, or moderately correlated.  However, the hybrid market was not mature in 2004-5, so it’s a bit inaccurate.  Comparing to 2006 onwards, the correlation coefficient is .25, i.e. there’s no correlation whatsoever.

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US Auto Market Trends

April 6th, 2009 rogupta View Comments

I’m not an expert in the car industry.  However, with all this talk of government bailout money and the Big 3 (actually big three is wrong, should be more like the Floundering 2), it has me thinking about what we taxpayers are investing in.   We keep hearing sales numbers are at record lows, but I never see anything that goes back more than 15 years (Quick aside – I hate when news outlets fail to give us context for “historic” events like this.   Reminds me of baseball, when announcers and statisticians give us inane facts like first guy to steal his 20th base on a prime numbered day.  Why should I care?  Give me context!).  So I compiled some data myself, using  freely available info from the Bureau of Economic Analysis (under the US Department of Commerce) national income and product accounts (NIPA).  The following is a chart indicating total unit sales of autos and trucks since 1948, in millions of units:

 

Vehicle Sales and CPI

Vehicle Sales and Price Index

 

And here’s the same data but split into domestic and  foreign sales:

 

Domestic and Foreign Vehicle Sales

Domestic and Foreign Vehicle Sales

 

I also mapped the motor vehicle price index in the first chart to give a perspective on the relative cost.  Quick caveat – price indices (especially those related to something as evolving as vehicles) do not perfectly account for quality improvements, but it at least gives some perspective.  

What does this all mean?  The number of autos sold has been steadily decreasing since the 1980s. Domestic autos are doing terribly, steadily decreasing since the 1970s.  What masked this problem was the emergence of trucks as an alternative in the 80s (ironically this came soon AFTER the oil crisis in the 70s), but truck sales dropped significantly with the huge spike in gas prices last year.  Essentially US manufacturers bet the house (and now our money) on truck sales and had nothing to hedge if fuel prices rose.  Long-term truck sales are in question; I highly doubt they return to the late 90s/early 2000s “great truck rush” (my term) level due to the relative price of gas and the overall global  environmental movement.  

The overall market has capped out (not increasing), both in units sold, and in relative price.  So why are we talking about pouring more money to revitalize the automakers?  There’s a macroeffect going on here, and more money is not going to solve it.  I understand there are huge political (and economic) ramifications to letting any of these automakers fail, but my hope is that the Obama team will require wholesale structural changes on many levels.  

The only way to grow in such a market is to have a revolutionary technology advantage (i.e. an electric car, which again they’re probably behind on, though the Chevy Volt seems interesting), not an incremental advantage.  Selling a car with 10% better mileage will not change these trends, (don’t forget that US automakers are already behind the auto technology curve from their years of indulgence with trucks).  And the current executives there have not demonstrated any foresight whatsoever, so I have no faith in their ability to execute in this market.  These new products don’t need to fill a large market immediately  - they just need to grow enough to prevent some of the bleeding, and hopefully it will dominate (much like trucks in the 80s/90s).  I hope that a vast majority of the money we invest goes directly into technology innovation, and that everything else either be maintained at a basic level or completely abandoned.   Sure it’s a risk, but I’d rather us spend our money risking on technology rather than seeing it slowly disappear in the sinking market.  It would be like a startup but with very strong and established manufacturing and distribution at their disposal. 

Quick note – The US Department of Transportation estimates the average vehicle lifespan to be 13 years, or 145,000 miles (I wish I could track this historically).  I wonder if increased lifespans contribute significantly to the decreases.

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