[1] Cojuangco is the author of the controversial House Bill 04631 that mandates the immediate re-commissioning and commercial operation of the Bataan Nuclear Power Plant, appropriating funds therefor, and for other purposes.

Innovations such as: precast concrete arch bridges of 12m spans, concrete tower silos, people’s donation for road right of way of widened barangay roads, advanced drilling technology which resulted in truly potable barangay water systems, prepaid water dispensing, multi-level school buildings, surface irrigation systems, travelling irrigator systems, radial irrigation gates, the use of digital terrain models in flood basin drainage design and implementation, among others.

Not even public restrooms were spared of innovation, as 5-star facilities now exist in the town plazas of his district, being most welcome by balikbayans, returning OFWs and kamag-anaks from abroad as well as their guests.

With this module alone, the 5th District of Pangasinan Dairy and Minor Livestock Cooperative already produces an average of 1,500 liters of fresh milk a day, with 5,000 liters/day as an ultimate goal.

This has led to the filing of House Bill 4441 by his wife Rep. Kimi S. Cojuangco, who was the former Mayor of Sison and now incumbent representative of the 5th District of Pangasinan, which is aimed at protecting the local Dairy Industry.