Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 2 · column 7 of 9 · from the scan, no model involved

han the most intricate maiwnade ipparatus.) In the last decade, oil sompanies have spent over $200 nillion on air pollution research, ;he magazine reports. The lutomobile industry has likewise spent millions seeking ways to ■educe the amount of pollution rom cars. A $10 million research program with 29 separate project areas lesigned to fill many of the emaining gaps in man’s uiderstanding of automotive air dilution is highlighted in the mblication.
“Science still cannot tell us at exactly what point various pollutants are harmful,” Petroleum Today notes. “We know that certain substances are toxic when breathed in unusually large amounts in a lab. But what happens when these same pollutants are diffused in analler amounts among the other substances in the air we breathe? The answer to date: we simply don’t know.”
A panel of “sniffers” -- people with noses so sensitive that they can detect even the subtlest odors - will attempt to identify the components that produce the unpleasant smell of diesel fumes as part of one study currently under way. On the other hand, computer methods will be used to assemble data produced by various research groups around the country on carbon monoxide and how low-level exposure affects human beings, Petroleum Today reports
85.3%