Concepedia

Karl H. Hellman

KH

12

Publications

337

Citations

10

H-Index

1973

Active since

Affiliations

Environmental Protection Agency(Current)

Karl H. Hellman is an author at Environmental Protection Agency specializing in engineering, energy policy, and economics.

Top concepts

Publications per year

1973–2002

12

Publications

12

LIGHT-DUTY AUTOMOTIVE TECHNOLOGY AND FUEL ECONOMY TRENDS THROUGH 1988

R.M. Heavenrich, Karl H. Hellman · 1988 · 105 citations

Passenger Car Fuel Economy - Trends and Influencing Factors

Thomas Austin, Karl H. Hellman · SAE technical papers on CD-ROM/SAE technical paper series · 1973 · 57 citations

Development of Adjustment Factors for the EPA City and Highway MPG Values

Karl H. Hellman, J.D. Murrell · SAE technical papers on CD-ROM/SAE technical paper series · 1984 · 31 citations

Resistive Materials Applied to Quick Light-off Catalysts

Karl H. Hellman, R.I. Bruetsch, G K Piotrowski et al. · SAE technical papers on CD-ROM/SAE technical paper series · 1989 · 24 citations

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Passenger Car Fuel Economy During Non-Urban Driving

Thomas Austin, Karl H. Hellman, C. Don Paulsell · SAE technical papers on CD-ROM/SAE technical paper series · 1974 · 20 citations

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