He was beaten into third place by Fernando Haddad of President Dilma Rousseff's Workers' Party.
Its first meeting after Ms Rousseff's inauguration will be on 18 and 19 January.
President Rousseff vetoed that part of the legislation which would have affected existing oil concessions.
Officials said Ms Rousseff had rejected the article dealing with the riverbanks, ensuring their continued protection.
President Dilma Rousseff's 10-party coalition controls some two-thirds of the seats in the new congress.
BBC: Brazilian clown Tiririca takes elected seat in congress
Ms Rousseff has indicated that she wants the real rate down to 2% in 2014.
Following are some takeaways from the Joint Statement by Brazil President Rousseff and US President Obama.
President Dilma Rousseff called for a moment of silence when she first heard of the violence.
FORBES: Brazil News Wrap: Rio de Janeiro School Shooting Kills 12
Both Mr Serra and Ms Rousseff are now courting Ms Silva, hoping to inherit her vote.
He predicts a victory for Ms Rousseff on October 31st, with a ten-point lead.
And abortion, until recently an electoral problem only for Ms Rousseff, is now a wild card.
Lula's, in which Ms Rousseff is his chief of staff, has continued in like vein.
But Mr Serra countered by accusing Ms Rousseff of electioneering and robotically obeying her strategists.
Even if Ms Rousseff emerges politically unscathed, the investigation will probably hinder some of her plans.
Brazilian president Dilma Rousseff, 64, is fully recovered after having treatment for lymphoma in 2009.
Forcing the departure of inflation hawk Henrique Meirelles is Ms Rousseff's most decisive move so far.
His departure, less than six months into her government, is a setback for Ms Rousseff.
Ms Rousseff did not deserve to win by default just because she was Lula's hand-picked successor.
Ms Rousseff will have to convince the doubters that she is not simply Lula in lipstick.
Needless to say, these horrific experiences had an enduring imprint on Rousseff's foreign policy views.
Rousseff became teary-eyed as she spoke of the fire to reporters in Chile earlier Sunday.
Besides Dilma Rousseff of Brazil, the leaders of, among others, France, Australia and India attended.
ECONOMIST: A limp agreement at the UN��s vaunted environmental summit
They are annoyed that Ms Rousseff has tried to rewrite the rules of the game.
Now there are signs that Ms Rousseff is prepared to be a bit bolder.
ECONOMIST: The president needs to do more to tackle the ��Brazil cost��
Whether, and at what pace, the country solves them will depend on Ms Rousseff's political skills.
Conversely, the electoral chances of Dilma Rousseff, Lula's chosen candidate, might be boosted by speedy approval.
That puts pressure on Alexandre Tombini, Ms Rousseff's nominee to head the Central Bank.
For all of her business-friendly policies, Rousseff also stays true to her background in social justice.
FORBES: Power Woman Dilma Rousseff: Brazil's Entrepreneur-In-Chief
By the time Rousseff was released in 1972, she was 20 pounds thinner and physically broken.
FORBES: Power Woman Dilma Rousseff: Brazil's Entrepreneur-In-Chief
If Ms Rousseff seeks and wins a second term, it would be on her own record.
ECONOMIST: Women and the labour market in Brazil: Amazons at work | The
应用推荐