Caterpillar offers a full line of Tier 4 Interim engines for every application-with optimized emissions solutions tailored for each application. With Cat^® Tier 4 Interim engines in your fleet, you can have even more confidence in your business' economic and environmental performance.

So no matter where you do business and no matter where your business takes you, Caterpillar will deliver solid, bottom line results... today and in the generations to come.

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Tier 4 Emissions Seminar Presentations

If you'd like to download a copy of the October 2010 Tier 4 Emissions Seminar presentations, simply click on one of the links below.

Current and Future Emission Regulations for Diesel & Natural Gas Gensets (Michael J. Ready, Ph.D., Aeris Analytics, LLC)

Practical Aspects of Upcoming Emission Regulations (Michael J. Ready, Ph.D., Aeris Analytics, LLC)

Technology for Tier 4 Interim/Stage IIIB (Mark Williams, Wheeler Machinery)