how to lower hydrocarbons?

I am looking for advice on how to pass smog as my car failed. it's a Honda Accord 95 with 166k miles. Before this test my car was in the shop for 2 months so it was not driven often. I often drive city only, not highway. I only drove 10 minutes to city for this test from a cold start.

test:
15 mph
hydrocarbons max is 61, I measured 66

25 mph
hydrocarbons max 37, measured 70

tech said I had unburned fuel due to high hydrocarbons.

After this, I added a whole bottle of Redline SL1 to 1/4...

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