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Report: Toyota Develops Next-Generation Clean Diesel Engine

1 December 2006

The Asahi Shimbun reports that Toyota has developed a next-generation clean diesel engine to meet stricter emissions standards in the US, and in Japan and the European Union in coming years.

Toyota reportedly hopes that its new engine—developed on its own, and not part of its new work with Isuzu—will help it expand its diesel sales. While seen as a leader in hybrids, Toyota does not have the same position with diesel technology. Honda has targeted introduction of its own clean-diesel solution for the US in 2009. (Earlier post.)

The unnamed sources cited in the report said that Toyota increased the combustion efficiency of the engine through improvements in injection nozzles to reduce engine out emissions, and then also improved a catalytic converter that reduces both particulates and NOx.

The report notes that Toyota is targeting worldwide introduction of its new clean-diesel technology diesel more quickly than that of BMW, which just announced its intention to introduce diesels in the US in 2008. (Earlier post.)

In 2005, diesel engine models accounted for 40% of Toyota’s parent-only unit sales in Europe. With the new engine, the company aims to increase the ratio to more than 50% by 2010. An earlier report by the Nihon Keizai Shimbun suggested that Toyota will use engines co-developed with Isuzu in the European models. The report also said that Toyota separately is developing a new generation of high-performance diesel engines. (Earlier post.)

The US EPA 2007 standards—which begin to map to the California vehicle standards at Tier 2 Bin 5—are currently the most stringent. Japan and the European Union are considering introducing comparably strict standards in 2009 and 2010, respectively.

Under the three standards, the cap for PM emissions will likely be comparable: about 0.005 grams per kilometer of driving for passenger cars. The US standards will be particularly stringent on oxides of nitrogen, while the European rules will call for lower emissions of carbon monoxide than the others.

December 1, 2006 in Diesel, Emissions | Permalink | Comments (12) | TrackBack (0)

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Comments

Alright, another Honda vs Toyota competition. This is good for all of us. I'm sure a Toyota diesel engine will be good quality as well as the Honda, and this will drive them both to continually improve upon them.

John W. -

Toyota's actually been selling its D-Cat diesels in Europe for a few years now. They've always featured NOx store catalysts. Both Japanese carmakers pride themselves on especially low emissions of both chemicals and noise, a philosophy consistent with their national culture. Moreover, they have been looking ahead to the opening of the US LDV diesel market, where T2B5 cannot be met without ULSD. The Japanese people also still need to be convinced that diesels have really cleaned up their act, but for historical reasons the land of the rising sun cannot afford to protect its access to the world's crude oil by military means. The country is very active in the development of alternative fuels to gasoline and, diesel is becoming less of a dirty word.

Both Toyota and Honda enjoy far greater market share in the US and Asia than they do in Europe, largely due to protectionist barriers erected against them here.

Expect the German car industry to compete vigorously with the Japanese as affordable LDV diesels become available again in the US in the next few years. GM, Ford and Chrysler have access to modern diesel know-how through their global corporate structures, if they decide to leverage them. The French (Citroen PSA, Renault) and Italians (Fiat) also have fairly good diesels but little or no presence in the US market today.

Rafael:

Your usual philosophical lyrics aside, please confirm (links, please):

a) for a couple of years Japanese sell NOx store diesel LDV in Europe;

b) what are the protectionist barriers to Japanese cars in Europe?

Thanks in advance.

Andrey -

I only talked about Toyota in this context:

http://www.toyota-europe.com/innovation/technology/engines/dcat.asp

Wrt auto imports, there used to be "local content" rules regarding the fraction of the value that volume manufacturers had to generate inside the EU. After the WTO explicitly banned those, the EU commission and European car industry bigwigs are repackaging their automotive trade agenda by way of red tape in a project called "Cars 21". Note that many Asian countries, including Japan, also try to protect manufacturing jobs by curbing imports. Everyone's talking the free trade talk but their walk often looks a little different.

http://www.euractiv.com/en/transport/europe-auto-industry-roadmap-fire/article-150832

"In a contribution to the CARS 21 group, the Japanese automaker association (JAMA) highlighted benefits that Japanese makers bring to local economies and host countries, "including employment, industrial development, and technology transfer". On the global scale, JAMA insists all automakers be given "fair and free competition" conditions, including the elimination of tariff and non-tariff barriers such as rules and regulations. JAMA particularly stressed "the importance of equal and fair treatment for all stakeholders, and especially in the context of the CARS 21 initiative".

And this is about the Toyota D-Cat...

http://www.purem.de/glossar/d.php

Rafael, I was thinking of a release in the North American market (presuming, hopefully, these clean diesels make it into Canada--Honda's should seeing they are to be built in Alliston Ontario).

I was not clear enough in my earlier post.

I find this an interesting release, given that I recently tried to find out about Toyota's Diesel passenger car intentions in Australia (where I live).

The answer was: "buy a Prius. We are not selling any diesel passenger cars for about 10 years, if that."

By the way, a Prius is not a sensible car for travelling in the Outback, and never will be.

So unless Australia is not a part of the "worldwide introduction" as defined by Toyota... I would take this release with a very large grain of salt. I do not see Toyota as a company to be trusted.

John.

I asked Toyota Canada the same thing, about a D4-D yaris or corolla... the response i got implied that i was the 0.1% of the population that was asking and that the Canadian population wouldn't know what a modern ultra-high pressure diesel was if it slapped them in the face.

I think that is unfair, Canada is not the same as the US and I would say 60-70% of Ontario residents have family or had family from Europe, so they have seen smaller cars if not owned smaller engined efficient diesels and would be happy to purchase another.

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