We need to output JSON with fields: seo_title, summary, key_entities (companies, people, locations), expert_faq (question, answer), internal_link_anchor, primary_keyword, primary, content_type.

We must obeying 180-250 words total. Paragraphs: 3-4 paragraphs each 45-65, secondary_keywords list, content_type.

We need to rewrite news as polished 180-250 word summary. Must be exactly 180-250 words. Must be split into 3-4 paragraphs, each 45-65 words. Must bold selectively (3-5 bold key_ must include.

Let's identify the key details: California, California, MIT Technology Review, UC Berkeley economist Aaron Smith, maybe "California regulators", "California’s air resources board". Also "Low Carbon Fuel Standard (LCFS)". Companies: maybe petroleum companies (unspecified). People: Aaron Smith. Locations: California. Also "Cattle farmers across the country". But we only include those explicitly mentioned in source. So companies: none specific? It mentions "petroleum companies" but not a specific name. So maybe we list none or leave empty list. People: Aaron Smith. Locations: California.

Now need to craft summary 180-250 words, 3-4 paragraphs, each 45-65 words. Let's aim for 3 paragraphs, each ~55 words => total ~165? Actually need 180-250. Let's do 4 paragraphs each ~55 => total ~220. We'll do 4 paragraphs: each 55-60 words.

Paragraph 1: Introduce the program, its popularity due to lucrative subsidies, and that regulators extended beyond 2050, plus proposal to send millions more to dairy farmers. Include bold for something like California or Low Carbon Fuel Standard. We need bold selective: maybe bold California, Low Carbon Fuel Standard, Aaron Smith? Actually bold only key details: a key company name (none), a critical dollar figure (none given), or the single most important fact. The most important fact could be that the program's methane credit equivalence (one biogas vehicle offsets 26 gasoline vehicles). Could bold that number? But numbers are ok