Green Options

The chart above shows the historical average yields for wheat and corn in the US.  Note that until the 1930s the relative yields of the crops were similar and were not changing.  After that time yields of both crops began to rise steadily, but corn yields have grown at a much faster pace.  What explains this difference?

There are several interacting factors behind this, and they work together to create the “orphan” status of wheat as a crop.  Corn is a hybrid crop which enhances its yield and the ease of increasing its yield through breeding.  Wheat is harder to hybridize so it isn’t practical except for extremely high yielding wheat areas like Northern Europe.  Instead, US wheat is largely a “saved seed crop” meaning that the grower can simply save back some of the grain and replant it rather than needing to buy new hybrid seed each year.  That system is workable, particularly if the grower periodically buys some “certified seed” to have a purer stand and to take advantage of breeding improvements.  The down-side of a “saved seed crop” is that there is not a very big private seed industry to invest in the crop.  Most of the breeding is done by University and USDA breeder supported by tax dollars and there is a small private industry as well.  As I said in the previous post, these breeders have done a remarkable job with the resources they have, but in an increasingly ag-unaware society, that support is never generous.

I suppose it all started with tofu, some three thousand years ago. Logically, soymilk, with its nine essential amino acids quickly followed. Many of us, as infants, were fed soy formula instead of milk. Now you can walk in to just about any major chain restaurant and find a veggie burger, made from soy. But the soy revolution has only really just begun. Soybeans are used to make paints, insulation, adhesives, inks, foam for seat cushions, and biodiesel, of course.

Is there anything that soy cannot do? Perhaps not. Scientists at Agricultural Research Service (ARS), a scientific research agency of the USDA, are experimenting with the use of defatted soy flour, to take the place of traditional petroleum based fillers that increase tensile strength and wear in tires.

In a new report, the Renewable Fuels Association (RFA) says the events of recent months clearly indicate that production of corn ethanol is not a major driving factor behind the continued high food prices at the supermarket.

In the report, “Will the Plunge in Grain Prices Mean Lower Food Prices at the Supermarket?,” the RFA points out that, while prices for agricultural staple commodities such as corn, wheat, and soybeans have all plummeted by about 50% in the last half year, food prices at the grocery store have remained highly elevated. At the same time, ethanol production has dramatically increased.

When the above factors are taken together, the link between grocery store food prices and corn ethanol production becomes dubious. Not only that, and also somewhat unintuitively, it seems that the diversion of relatively large portions of the US corn crop to ethanol production has very little effect on even the market price of corn.

The Sustainable Biodiesel Alliance (SBA) is a non-profit organization created to promote cradle-to-grave biodiesel practices for verifying that all points in the production and distribution chain are sustainable.

And now they want your input on what those sustainable practices and standards should be — they’ve released the first draft of their “Principles and Baseline Practices for Sustainability” (PDF) to the public under a 45-day comment and review period.

So, if you’ve ever questioned the wisdom of growing our own fuel, or you’ve wondered how biofuels can be considered sustainable at all given other seemingly cleaner options like solar, wind and geothermal, now’s your time to speak up.

The current rate at which biofuels are falling out of favor is largely founded on biased ideologies, which have been shaped by widespread political and corporate agenda-pushing from all sides of the fence.

But first, a digression.

Part 1: When an egg was just an egg

I remember a time when an egg was just an egg. Nobody argued about that. It was a blissful time. Yet, for all its strengths, it was a fragile time held together by unsupported conclusions and limited knowledge.

On Monday, USDA officials met with reporters to discuss just how closely biofuels (specifically corn-based ethanol) are linked to the increasing price of food. Agriculture Secretary Ed Schafer, who has vehemently defended biofuels before, had this to say:

One theory that has been widely discussed in recent weeks is that the nation’s growing demand for biofuels and the crops needed to produce them is the real culprit behind higher food prices, both at home and abroad. Yet the evidence that we have seen. . .does not support this.

Increased world demand for grains and vegetable oils due to population growth (esp. in China and India), the weak dollar, agricultural production problems around the world, and $100/barrel oil are some of the driving factors accounting for increasing food prices.

After covering 22 of the most popular myths about biodiesel, I realized I’d only given lip service to a major issue: increasing food prices. In Myth #2, I mentioned that the goal of biodiesel production is to move away from food-based feedstocks.

But until that happens, the question remains: if I use biodiesel made from soybeans right now, am I contributing to the larger problem of increasing commodity prices and starving poor people?

Ford Motor Company will be replacing up to 40% of their petroleum-based seat cushions with a new material made from soybean oil. “Soy foam” costs roughly the same to manufacture as traditional petroleum derivatives, but requires less energy to produce and may reduce environmental impacts by 75%.

The new material was developed by Ford’s own researchers, and made its debut in the 2008 Ford Mustang. Soy foam has also already been incorporated into the seat cushions of Ford F-150 pickups, Expeditions, and Lincoln Navigator SUV’s. By the end the year, Ford says it will have 45,500 soy-foam vehicles on the road.