failed to re-authorize the Act and the program expired. As of May, 2014 Frelinghuysen was one of eight Republican members of Congress who "accept the prevailing scientific conclusion that global warming is both real and man-made," according to PolitiFact. However, he opposes federal regulation of greenhouse gas emissions. The Sunlight Foundation pointed out that among the 435 members of the U.S. House of Representatives, Frelinghuysen has the third-highest amount of investment in oil stocks. Health care He favored repealing the Patient Protection and Affordable Care Act (Obamacare), and voted in support of the budget resolution to repeal Obamacare in January 2017. In March 2017, when the Republican leadership was seeking support for the "repeal-and-replace" bill, the American Health Care Act (AHCA), he announced that he would oppose it on the grounds that it "would place significant new costs and barriers to care on my constituents in New Jersey" and would result in a "loss of Medicaid coverage for so many people in my Medicaid-dependent state." On May 4, 2017, he voted for a revised version of the AHCA, although the provisions he had previously cited as objectionable were unchanged. He said that he "voted for an improved health care act". Frelinghuysen stressed the need to "protect those with pre-existing conditions", but according to NJ.com, the bill "would allow for exemptions from rules preventing those with pre-existing conditions from being charged more for their insurance. It also would allow states to request waivers from federal requirements that all insurers cover specific benefits such as hospitalization, mental health treatment and maternity care." Asked why he voted for the bill without waiting for an estimate from the Congressional Budget Office on its impact, Frelinghuysen said, "I think there was a feeling that we needed to act and get the bill to the Senate so we can get them to act on it." Immigration Frelinghuysen had opposed sanctuary cities. As Chairman of the House Appropriations Committee, he was part of the 29 representatives voting to send the 2018 Homeland Security appropriations bill to the full House. Among other funding, the bill includes $5 billion in funding for Trump's border wall. Referring to the bill, Frelinghuysen stated the bill "provides the necessary funding for critical technology and physical barriers to secure our borders". Donald Trump Frelinghuysen endorsed Donald Trump in the 2016 presidential election. Other issues Frelinghuysen had been in favor of auditing the Federal